// Numbas version: exam_results_page_options
{"name": "Look up values of t distribution", "extensions": ["stats"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"variable_groups": [], "variables": {"u2": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(0..9 except u1)", "name": "u2", "description": ""}, "p": {"group": "Ungrouped variables", "templateType": "anything", "definition": "[0.75,0.800,0.850,0.900,0.950,0.975,0.990,0.995,0.999,0.9995]", "name": "p", "description": ""}, "v2": {"group": "Ungrouped variables", "templateType": "anything", "definition": "cr(tn)[u2+1]", "name": "v2", "description": ""}, "v1": {"group": "Ungrouped variables", "templateType": "anything", "definition": "cr(t)[u1+1]", "name": "v1", "description": ""}, "u1": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(0..9)", "name": "u1", "description": ""}, "tn": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(10..30 except t)", "name": "tn", "description": ""}, "t": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(6..12)", "name": "t", "description": ""}, "per": {"group": "Ungrouped variables", "templateType": "anything", "definition": "['DF','0.75','0.800','0.850','0.900','0.950','0.975','0.990','0.995','0.999','0.9995']", "name": "per", "description": ""}, "u3": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(0..9 except [u1,u2])", "name": "u3", "description": ""}, "tm": {"group": "Ungrouped variables", "templateType": "anything", "definition": "random(10..30 except[t,tn])", "name": "tm", "description": ""}, "v3": {"group": "Ungrouped variables", "templateType": "anything", "definition": "cr(tm)[u3+1]", "name": "v3", "description": ""}}, "ungrouped_variables": ["v1", "u1", "per", "u2", "tn", "p", "v2", "tm", "u3", "v3", "t"], "rulesets": {}, "name": "Look up values of t distribution", "showQuestionGroupNames": false, "functions": {"pc": {"type": "number", "language": "jme", "definition": "precround(studenttinv(p,n),3)", "parameters": [["p", "number"], ["n", "number"]]}, "cr": {"type": "list", "language": "jme", "definition": "\n        [t,\n      pc(0.75,t),\n      pc(0.8,t),\n      pc(0.85,t),\n      pc(0.9,t),\n      pc(0.95,t),\n      pc(0.975,t),\n      pc(0.99,t),\n      pc(0.995,t),\n      pc(0.999,t),\n      pc(0.9995,t)\n      ]\n        ", "parameters": [["t", "number"]]}}, "parts": [{"scripts": {}, "gaps": [{"correctAnswerFraction": false, "showPrecisionHint": false, "allowFractions": false, "scripts": {}, "type": "numberentry", "showCorrectAnswer": true, "minValue": "v1", "maxValue": "v1", "marks": 1}], "type": "gapfill", "prompt": "<p>$\\operatorname{t}_{\\var{t}}(\\var{precround(1-p[u1],3)}) =\\;$?[[0]]</p>\n      <p>&nbsp;</p>", "showCorrectAnswer": true, "marks": 0}, {"scripts": {}, "gaps": [{"correctAnswerFraction": false, "showPrecisionHint": false, "allowFractions": false, "scripts": {}, "type": "numberentry", "showCorrectAnswer": true, "minValue": "v2", "maxValue": "v2", "marks": 1}], "type": "gapfill", "prompt": "<p>$\\operatorname{t}_{\\var{tn}}(\\var{precround(1-p[u2],3)}) =\\;$?[[0]]</p>\n      <p>&nbsp;</p>", "showCorrectAnswer": true, "marks": 0}, {"scripts": {}, "gaps": [{"correctAnswerFraction": false, "showPrecisionHint": false, "allowFractions": false, "scripts": {}, "type": "numberentry", "showCorrectAnswer": true, "minValue": "v3", "maxValue": "v3", "marks": 1}], "type": "gapfill", "prompt": "<p>$\\operatorname{t}_{\\var{tm}}(\\var{precround(1-p[u3],3)}) =\\;$?[[0]]</p>\n      <p>&nbsp;</p>", "showCorrectAnswer": true, "marks": 0}], "variablesTest": {"condition": "", "maxRuns": 100}, "statement": "<p>Use statistics tables or R to find the following:</p>\n  <p>&nbsp;</p>", "tags": ["checked2015", "critical values", "one-sided", "statistics", "student", "student ", "t statistics", "t tables", "t test", "tables", "unused"], "question_groups": [{"pickingStrategy": "all-ordered", "questions": [], "name": "", "pickQuestions": 0}], "preamble": {"css": "", "js": ""}, "type": "question", "metadata": {"notes": "<p><strong>27/01/2013:</strong></p>\n    <p>To be looked at again. Advice tables to be updated.</p>", "licence": "Creative Commons Attribution 4.0 International", "description": "<p>Looking up t-tables.&nbsp;</p>"}, "advice": "<p>a)</p>\n    <p>{table([cr(t)],per)}</p>\n    <p>b)</p>\n    <p>{table([cr(tn)],per)}</p>\n    <p>c)</p>\n    <p>{table([cr(tm)],per)}</p>", "contributors": [{"name": "Newcastle University Mathematics and Statistics", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/697/"}]}]}], "contributors": [{"name": "Newcastle University Mathematics and Statistics", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/697/"}]}