{"id":1139,"date":"2024-04-11T13:52:41","date_gmt":"2024-04-11T10:52:41","guid":{"rendered":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-4-4a\/"},"modified":"2024-04-11T13:52:41","modified_gmt":"2024-04-11T10:52:41","slug":"self-test-4-4a","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-4-4a\/","title":{"rendered":"Self test 4.4A"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam20\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-20\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div class=\"watupro-question-intro\">You are validating a method for analysing several analytes in surface water.<br>\r\nUsing data from analyzing one water sample on different days, evaluate the repeatability of Thiomethoxam determination:<br>\r\n<table class=\" aligncenter\" style=\"width: 394px;\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td style=\"text-align: center; border: 1px solid #000000;\" rowspan=\"2\"><strong>No<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\" colspan=\"4\"><strong>C<sub>thiomethoxam<\/sub> (ng\/L)<\/strong><\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>16-Oct-2015<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\"><strong>6-Nov-2015<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\"><strong>26-Nov-2015<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\"><strong>27-Nov-2015<\/strong><\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>1<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\">7.6<\/td><td style=\"text-align: center; border: 1px solid #000000;\">11<\/td><td style=\"text-align: center; border: 1px solid #000000;\">9.5<\/td><td style=\"text-align: center; border: 1px solid #000000;\">11.3<\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>2<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\">8.2<\/td><td style=\"text-align: center; border: 1px solid #000000;\">11.2<\/td><td style=\"text-align: center; border: 1px solid #000000;\">8.8<\/td><td style=\"text-align: center; border: 1px solid #000000;\">10.2<\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>3<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\">14.9<\/td><td style=\"text-align: center; border: 1px solid #000000;\">10.7<\/td><td style=\"text-align: center; border: 1px solid #000000;\">8.6<\/td><td style=\"text-align: center; border: 1px solid #000000;\">11.3<\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>4<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\">9.5<\/td><td style=\"text-align: center; border: 1px solid #000000;\">11.1<\/td><td style=\"text-align: center; border: 1px solid #000000;\">9.1<\/td><td style=\"text-align: center; border: 1px solid #000000;\"><\/td><\/tr><tr><td style=\"text-align: center; border: 1px solid #000000;\"><strong>5<\/strong><\/td><td style=\"text-align: center; border: 1px solid #000000;\">11.4<\/td><td style=\"text-align: center; border: 1px solid #000000;\"><\/td><td style=\"text-align: center; border: 1px solid #000000;\">9.1<\/td><td style=\"text-align: center; border: 1px solid #000000;\"><\/td><\/tr><\/tbody><\/table>\u00a0<br>\r\n<br>\r\n<\/div><div id=\"questionWrap-1\" class=\"   watupro-question-id-78\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">1. <\/span>Is it important to know the exact concentration of Thiomethoxam in the sample?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"78\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType78\" class=\"answerTypeCnt1\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices78\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-78[]\" id=\"answer-id-431\" class=\"answer   answerof-78 \" value=\"431\"><label for=\"answer-id-431\" id=\"answer-label-431\" class=\" answer\"><span>No<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-78[]\" id=\"answer-id-432\" class=\"answer   answerof-78 \" value=\"432\"><label for=\"answer-id-432\" id=\"answer-label-432\" class=\" answer\"><span>Yes<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-1\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-78\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn78\" class=\"liveResultBtn1 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(78, 1);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"   watupro-question-id-80\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">2. <\/span>What is the relative standard deviation on 26<sup>th<\/sup> of November (in %)?<br>\r\n<br>\r\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>To view third-party content, please accept cookies.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Change consent<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div><br>\r\n<br>\r\nPlease give the answer with one decimal place.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"80\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType80\" class=\"answerTypeCnt2\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices80\"><p><input type=\"text\" name=\"answer-80[]\" id=\"textarea_q_80\" class=\"watupro-text\" value=\"\" size=\"60\"><\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-2\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-80\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn80\" class=\"liveResultBtn2 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(80, 2);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"   watupro-question-id-81\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">3. <\/span>Is the obtained repeatability on 26<sup>th<\/sup>\u00a0of November acceptable?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"81\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType81\" class=\"answerTypeCnt3\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices81\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-81[]\" id=\"answer-id-200\" class=\"answer   answerof-81 \" value=\"200\"><label for=\"answer-id-200\" id=\"answer-label-200\" class=\" answer\"><span><p>No<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-81[]\" id=\"answer-id-201\" class=\"answer   answerof-81 \" value=\"201\"><label for=\"answer-id-201\" id=\"answer-label-201\" class=\" answer\"><span><p>Yes<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-3\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-81\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn81\" class=\"liveResultBtn3 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(81, 3);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"   watupro-question-id-82\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">4. <\/span>What is the pooled repeatability over all the days (in ng\/L)?<br>\r\n<br>\r\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>To view third-party content, please accept cookies.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Change consent<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div><br>\r\n<br>\r\nPlease give the answer with 2 decimal places.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"82\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType82\" class=\"answerTypeCnt4\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices82\"><p><input type=\"text\" name=\"answer-82[]\" id=\"textarea_q_82\" class=\"watupro-text\" value=\"\" size=\"60\"><\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-4\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-82\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn82\" class=\"liveResultBtn4 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(82, 4);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"   watupro-question-id-83\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">5. <\/span>Pooled standard deviation can be used for evaluating repeatability over multiple days and at any concentrations.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"83\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType83\" class=\"answerTypeCnt5\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices83\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-83[]\" id=\"answer-id-203\" class=\"answer   answerof-83 \" value=\"203\"><label for=\"answer-id-203\" id=\"answer-label-203\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-83[]\" id=\"answer-id-204\" class=\"answer   answerof-83 \" value=\"204\"><label for=\"answer-id-204\" id=\"answer-label-204\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-5\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-83\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn83\" class=\"liveResultBtn5 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(83, 5);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-6\" style=\";\"><div id=\"questionWrap-6\" class=\"   watupro-question-id-84\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">6. <\/span>Calculate pooled relative standard deviation (in %). Please give the answer with 1 decimal place.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_6\" value=\"84\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType84\" class=\"answerTypeCnt6\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices84\"><p><input type=\"text\" name=\"answer-84[]\" id=\"textarea_q_84\" class=\"watupro-text\" value=\"\" size=\"60\"><\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-6\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-84\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn84\" class=\"liveResultBtn6 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(84, 6);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-7\" style=\";\"><div id=\"questionWrap-7\" class=\"   watupro-question-id-85\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">7. <\/span>Is the obtained value acceptable if the expected LoQ is 0.01 ng\/L?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_7\" value=\"85\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType85\" class=\"answerTypeCnt7\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices85\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-85[]\" id=\"answer-id-206\" class=\"answer   answerof-85 \" value=\"206\"><label for=\"answer-id-206\" id=\"answer-label-206\" class=\" answer\"><span><p>No<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-85[]\" id=\"answer-id-207\" class=\"answer   answerof-85 \" value=\"207\"><label for=\"answer-id-207\" id=\"answer-label-207\" class=\" answer\"><span><p>Yes<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-85[]\" id=\"answer-id-208\" class=\"answer   answerof-85 \" value=\"208\"><label for=\"answer-id-208\" id=\"answer-label-208\" class=\" answer\"><span><p>Depends on the guidelines<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-7\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-85\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn85\" class=\"liveResultBtn7 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(85, 7);\"><\/p>\n\t   <div style=\"display:none\" id=\"question-8\">\n\t<div class=\"question-content\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t<\/div>\n<\/div>\n\n<br>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons20\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\">\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"20\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-17 19:23:37\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776453817\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"78:431,432 | 80:199 | 81:200,201 | 82:202,437 | 83:203,204 | 84:205 | 85:206,207,208\">\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>\u00a0<\/p>\n<\/div>\n\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"78,80,81,82,83,84,85\";\nWatuPROSettings[20] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 20;\t    \nWatuPRO.post_id = 1139;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.18725400 1776443017\";\nvar url = \"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPRO.perDecade = 10;\nWatuPROIntel.init(20);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":60,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1139","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/comments?post=1139"}],"version-history":[{"count":0,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1139\/revisions"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/media?parent=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}