{"id":1155,"date":"2024-04-11T14:14:35","date_gmt":"2024-04-11T11:14:35","guid":{"rendered":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-4-4d\/"},"modified":"2024-04-11T14:14:35","modified_gmt":"2024-04-11T11:14:35","slug":"self-test-4-4d","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-4-4d\/","title":{"rendered":"Self-test 4.4D"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam34\" 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-34\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div class=\"watupro-question-intro\">You are estimating the precision of a method for analysing neonicotinoid acetamiprid in garlic and tomato. Using data from analysis of spiked garlic and tomato samples, evaluate precision of acetamiprid determination on each day and pooled standard deviation of all series.<br>\r\n<br>\r\n<b>NB!<\/b> Consider the significance of intercept and whether calibration line should be forced through 0.<br>\r\n<br>\r\nData for calculations:\u00a0 <a href=\"https:\/\/sisu.ut.ee\/lcms_method_validation\/44d_garlic_raw-xls\/\" target=\"_blank\" rel=\"noopener\" data-fid=\"57421\">44d_garlic_raw.xls<\/a>\u00a0and\u00a0<a href=\"https:\/\/sisu.ut.ee\/lcms_method_validation\/44d_tomato_raw-xls\/\" target=\"_blank\" rel=\"noopener\" data-fid=\"57422\">44d_tomato_raw.xls<\/a>\u00a0<br>\r\n<br>\r\nUse spreadsheets or ValChrom software (assessment method: Intermediate precision, 6 injections at target concentration).<br>\r\n<br>\r\n<\/div><div id=\"questionWrap-1\" class=\"   watupro-question-id-137\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">1. <\/span>Estimate RSD for tomato samples on 16<sup>th<\/sup> of October.\u00a0Write results rounded to 3 significant digits (unit: %).<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"137\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType137\" class=\"answerTypeCnt1\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices137\"><p><input type=\"text\" name=\"answer-137[]\" id=\"textarea_q_137\" 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-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-137\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn137\" class=\"liveResultBtn1 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(137, 1);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"   watupro-question-id-138\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">2. <\/span>Estimate RSD for garlic samples on 16<sup>th<\/sup> of October.\u00a0Write results rounded to 3 significant digits (unit: %).<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"138\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType138\" class=\"answerTypeCnt2\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices138\"><p><input type=\"text\" name=\"answer-138[]\" id=\"textarea_q_138\" 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-138\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn138\" class=\"liveResultBtn2 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(138, 2);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"   watupro-question-id-139\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">3. <\/span>Estimate pooled RSD for tomato samples over all series.\u00a0Write results rounded to 3 significant digits (unit: %).<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"139\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType139\" class=\"answerTypeCnt3\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices139\"><p><input type=\"text\" name=\"answer-139[]\" id=\"textarea_q_139\" 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-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-139\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn139\" class=\"liveResultBtn3 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(139, 3);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"   watupro-question-id-140\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">4. <\/span>Estimate pooled RSD for garlic samples over all series.\u00a0Write results rounded to 3 significant digits (unit: %).<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"140\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType140\" class=\"answerTypeCnt4\" value=\"textarea\"><!-- end question-content--><\/div><div class=\"question-choices \" id=\"questionChoices140\"><p><input type=\"text\" name=\"answer-140[]\" id=\"textarea_q_140\" 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-140\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn140\" class=\"liveResultBtn4 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(140, 4);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"   watupro-question-id-141\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">5. <\/span>Is the method acceptable for analysis of acetamiprid, if pooled RSD criteria would be 5%?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"141\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType141\" class=\"answerTypeCnt5\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices141\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-141[]\" id=\"answer-id-350\" class=\"answer   answerof-141 \" value=\"350\"><label for=\"answer-id-350\" id=\"answer-label-350\" class=\" answer\"><span><p>Yes, for tomato<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-141[]\" id=\"answer-id-351\" class=\"answer   answerof-141 \" value=\"351\"><label for=\"answer-id-351\" id=\"answer-label-351\" class=\" answer\"><span><p>Yes<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-141[]\" id=\"answer-id-352\" class=\"answer   answerof-141 \" value=\"352\"><label for=\"answer-id-352\" id=\"answer-label-352\" class=\" answer\"><span><p>No<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-141[]\" id=\"answer-id-353\" class=\"answer   answerof-141 \" value=\"353\"><label for=\"answer-id-353\" id=\"answer-label-353\" class=\" answer\"><span><p>Yes, for garlic<\/p><\/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-141\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn141\" class=\"liveResultBtn5 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(141, 5);\"><\/p>\n\t   <div style=\"display:none\" id=\"question-6\">\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=\"watuPROButtons34\">\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=\"34\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-19 05:32:44\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776576764\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"137:346 | 138:347 | 139:348 | 140:349 | 141:350,351,352,353\">\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>\u00a0<\/p>\n<\/div>\n\n<script 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