{"id":584,"date":"2024-06-19T08:20:25","date_gmt":"2024-06-19T05:20:25","guid":{"rendered":"https:\/\/sisu.ut.ee\/measurement\/self-test-3-1\/"},"modified":"2024-06-19T08:20:25","modified_gmt":"2024-06-19T05:20:25","slug":"self-test-3-1","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/measurement\/self-test-3-1\/","title":{"rendered":"Self-test 3.1"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam9\" 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<div class=\"watupro-exam-description\" id=\"description-quiz-9\"><p>Now you can test whether you have understood the normal distribution and the related concepts well.<\/p>\n<p>Which of the following statements about measurements, measurands, distribution functions and the normal distribution are correct?<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-9\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div id=\"questionWrap-1\" class=\"   watupro-question-id-29\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">1. <\/span>If repeated measurements are performed and the distribution function is known then it is possible to exactly predict the value of every next measured value.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"29\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType29\" class=\"answerTypeCnt1\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices29\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-29[]\" id=\"answer-id-113\" class=\"answer   answerof-29 \" value=\"113\"><label for=\"answer-id-113\" id=\"answer-label-113\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-29[]\" id=\"answer-id-114\" class=\"answer   answerof-29 \" value=\"114\"><label for=\"answer-id-114\" id=\"answer-label-114\" 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-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-29\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn29\" class=\"liveResultBtn1 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(29, 1);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"   watupro-question-id-30\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">2. <\/span>Results of repeated measurements of the same measurand are often normally distributed.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"30\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType30\" class=\"answerTypeCnt2\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices30\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-30[]\" id=\"answer-id-115\" class=\"answer   answerof-30 \" value=\"115\"><label for=\"answer-id-115\" id=\"answer-label-115\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-30[]\" id=\"answer-id-116\" class=\"answer   answerof-30 \" value=\"116\"><label for=\"answer-id-116\" id=\"answer-label-116\" 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-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-30\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn30\" class=\"liveResultBtn2 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(30, 2);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"   watupro-question-id-31\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">3. <\/span><span style=\"line-height: 1.6em;\">The maximum of the normal distribution curve corresponds to the mean value of the repeated measurement results if a large number of repetitions are made.<\/span><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"31\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType31\" class=\"answerTypeCnt3\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices31\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-31[]\" id=\"answer-id-117\" class=\"answer   answerof-31 \" value=\"117\"><label for=\"answer-id-117\" id=\"answer-label-117\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-31[]\" id=\"answer-id-118\" class=\"answer   answerof-31 \" value=\"118\"><label for=\"answer-id-118\" id=\"answer-label-118\" 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-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-31\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn31\" class=\"liveResultBtn3 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(31, 3);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"   watupro-question-id-32\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">4. <\/span>Standard deviation characterizes the scatter of the values obtained from repeated measurements.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"32\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType32\" class=\"answerTypeCnt4\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices32\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-32[]\" id=\"answer-id-119\" class=\"answer   answerof-32 \" value=\"119\"><label for=\"answer-id-119\" id=\"answer-label-119\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-32[]\" id=\"answer-id-120\" class=\"answer   answerof-32 \" value=\"120\"><label for=\"answer-id-120\" id=\"answer-label-120\" 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-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-32\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn32\" class=\"liveResultBtn4 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(32, 4);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"   watupro-question-id-33\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">5. <\/span>Standard uncertainty is obtained by multiplying the standard deviation by a coverage factor.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"33\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType33\" class=\"answerTypeCnt5\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices33\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-33[]\" id=\"answer-id-121\" class=\"answer   answerof-33 \" value=\"121\"><label for=\"answer-id-121\" id=\"answer-label-121\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-33[]\" id=\"answer-id-122\" class=\"answer   answerof-33 \" value=\"122\"><label for=\"answer-id-122\" id=\"answer-label-122\" 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-33\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn33\" class=\"liveResultBtn5 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(33, 5);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-6\" style=\";\"><div id=\"questionWrap-6\" class=\"   watupro-question-id-34\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">6. <\/span>If the result is normally distributed then the coverage factor 3 enables calculating expanded uncertainty with 100% coverage probability.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_6\" value=\"34\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType34\" class=\"answerTypeCnt6\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices34\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-34[]\" id=\"answer-id-123\" class=\"answer   answerof-34 \" value=\"123\"><label for=\"answer-id-123\" id=\"answer-label-123\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-34[]\" id=\"answer-id-124\" class=\"answer   answerof-34 \" value=\"124\"><label for=\"answer-id-124\" id=\"answer-label-124\" 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-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-34\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn34\" class=\"liveResultBtn6 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(34, 6);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-7\" style=\";\"><div id=\"questionWrap-7\" class=\"   watupro-question-id-35\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">7. <\/span>Which coverage factor has to be used in order to have expanded uncertainty estimate with confidence level of approximately 95%? It is known, that there is normal distribution.<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_7\" value=\"35\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType35\" class=\"answerTypeCnt7\" value=\"radio\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices35\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-35[]\" id=\"answer-id-127\" class=\"answer   answerof-35 \" value=\"127\"><label for=\"answer-id-127\" id=\"answer-label-127\" class=\" answer\"><span><p>3<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-35[]\" id=\"answer-id-125\" class=\"answer   answerof-35 \" value=\"125\"><label for=\"answer-id-125\" id=\"answer-label-125\" class=\" answer\"><span><p>2<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-35[]\" id=\"answer-id-126\" class=\"answer   answerof-35 \" value=\"126\"><label for=\"answer-id-126\" id=\"answer-label-126\" class=\" answer\"><span><p>2.5<\/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-35\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn35\" class=\"liveResultBtn7 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(35, 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=\"watuPROButtons9\">\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=\"9\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-19 23:29:37\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776641377\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"29:113,114 | 30:115,116 | 31:117,118 | 32:119,120 | 33:121,122 | 34:123,124 | 35:127,125,126\">\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 = \"29,30,31,32,33,34,35\";\nWatuPROSettings[9] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 9;\t    \nWatuPRO.post_id = 584;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.32833600 1776630577\";\nvar url = \"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/sisu.ut.ee\/measurement\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPRO.perDecade = 10;\nWatuPROIntel.init(9);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":280,"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-584","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/pages\/584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/users\/280"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/comments?post=584"}],"version-history":[{"count":0,"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/pages\/584\/revisions"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/measurement\/wp-json\/wp\/v2\/media?parent=584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}