// Numbas version: exam_results_page_options
{"name": "Descriptive Stats (P): Mode", "extensions": ["stats"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": [], "name": "Descriptive Stats (P): Mode", "tags": [], "advice": "<h4>a)</h4>\n<p>The mode is the value which appears the most often in the data set.</p>\n<p>It can help to put the values in order:</p>\n<p>{table([sort(show_values1)],[])}</p>\n<p>The mode of these numbers is $\\var{mode1}$.</p>\n<h4>b)</h4>\n<p>Similarly, it can help to first put the values in order:</p>\n<p>{table([sort(show_values2)],[])}</p>\n<p>The mode of these numbers is $\\var{mode2}$.</p>\n<p></p>", "rulesets": {}, "parts": [{"prompt": "<p>{table([show_values1],[])}</p>", "allowFractions": false, "variableReplacements": [], "maxValue": "mode1", "minValue": "mode1", "variableReplacementStrategy": "originalfirst", "correctAnswerFraction": false, "showCorrectAnswer": true, "scripts": {}, "marks": 1, "type": "numberentry", "showPrecisionHint": false}, {"prompt": "<p>{table([show_values2],[])}</p>", "allowFractions": false, "variableReplacements": [], "maxValue": "mode2", "minValue": "mode2", "variableReplacementStrategy": "originalfirst", "correctAnswerFraction": false, "showCorrectAnswer": true, "scripts": {}, "marks": 1, "type": "numberentry", "showPrecisionHint": false}], "statement": "<p>Find the mode of each list of numbers.</p>", "variable_groups": [{"variables": ["values1", "mode1", "show_values1"], "name": "Part a"}, {"variables": ["values2", "mode2", "show_values2"], "name": "Part b"}], "variablesTest": {"maxRuns": 100, "condition": ""}, "preamble": {"css": "", "js": ""}, "variables": {"values1": {"definition": "repeat(random(1..20),5)", "templateType": "anything", "group": "Part a", "name": "values1", "description": "<p>A random set of data</p>"}, "values2": {"definition": "repeat(random(1..20),8)", "templateType": "anything", "group": "Part b", "name": "values2", "description": ""}, "mode2": {"definition": "shuffle(mode(values2))[0]", "templateType": "anything", "group": "Part b", "name": "mode2", "description": ""}, "show_values1": {"definition": "shuffle(values1+[mode1])", "templateType": "anything", "group": "Part a", "name": "show_values1", "description": "<p>Values shown to the student.</p>\n<p>Make sure the mode is unique by picking one possible mode, and adding&nbsp;another copy of it to the list.</p>"}, "show_values2": {"definition": "shuffle(values2+[mode2])", "templateType": "anything", "group": "Part b", "name": "show_values2", "description": ""}, "mode1": {"definition": "shuffle(mode(values1))[0]", "templateType": "anything", "group": "Part a", "name": "mode1", "description": "<p>A mode of the random set of data. There will be more than one if two values appear the same (maximal) number of times</p>"}}, "metadata": {"notes": "", "description": "<p>Find the modes of two small samples.</p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "showQuestionGroupNames": false, "question_groups": [{"name": "", "pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": []}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Hayley Moore", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/495/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Hayley Moore", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/495/"}]}