// Numbas version: finer_feedback_settings
{"name": "Bar charts", "extensions": [], "custom_part_types": [], "resources": [["question-resources/Untitled_2_DcrVMAD.png", "Untitled_2_DcrVMAD.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Bar charts", "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>A group of people were asked to vote for their favourite British film of all time from a selection of six taken from the the BFI top 100. The following bar chart shows the results of the survey.</p>\n<p><img src=\"resources/question-resources/Untitled_2_DcrVMAD.png\" width=\"687\" height=\"358\"/></p>\n<p></p>", "advice": "<p>Click \"Show Steps\" above to see how to answer this question.</p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"percentage": {"name": "percentage", "group": "Ungrouped variables", "definition": "precround((freq2/49)*100,0)", "description": "", "templateType": "anything", "can_override": false}, "film1": {"name": "film1", "group": "Ungrouped variables", "definition": "random([\"The Third Man\",\"Brief Encounter\", \"Lawrence of Arabia\", \"The 39 Steps\", \"Great Expectations\",\"Kes\"])", "description": "", "templateType": "anything", "can_override": false}, "film2": {"name": "film2", "group": "Ungrouped variables", "definition": "random([\"The Third Man\",\"Brief Encounter\", \"Lawrence of Arabia\", \"The 39 Steps\", \"Great Expectations\",\"Kes\"] except film1)", "description": "", "templateType": "anything", "can_override": false}, "freq2": {"name": "freq2", "group": "Ungrouped variables", "definition": "switch(film2=\"The Third Man\",15,film2=\"Brief Encounter\",4,film2=\"Lawrence of Arabia\",13,film2=\"The 39 Steps\",8,film2=\"Great Expectations\",3,film2=\"Kes\",7,0)", "description": "", "templateType": "anything", "can_override": false}, "freq1": {"name": "freq1", "group": "Ungrouped variables", "definition": "switch(film1=\"The Third Man\",15,film1=\"Brief Encounter\",4,film1=\"Lawrence of Arabia\",13,film1=\"The 39 Steps\",8,film1=\"Great Expectations\",3,film1=\"Kes\",7,0)", "description": "", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["film1", "film2", "freq1", "freq2", "percentage"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>How many people voted for {film1}?</p>\n<p>Answer: [[0]]</p>\n<p></p>\n<p></p>", "stepsPenalty": 0, "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Find the bar for {film1}. Use the scale on the Y-axis to find how many people voted for it.</p>"}], "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "freq1", "maxValue": "freq1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>How many people voted for either {film1} or {film2}?</p>\n<p>Answer: [[0]]</p>", "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "freq1 + freq2", "maxValue": "freq1 + freq2", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What percentage of people surveyed voted for {film2}?</p>\n<p>Answer: [[0]]</p>", "stepsPenalty": "1", "steps": [{"type": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>To find an exact percentage, if $n$ is the number of votes for {film2}, then you need to calculate</p>\n<p style=\"text-align: center;\"><span style=\"font-size: 15px; white-space: nowrap;\">$\\frac{n}{\\text{total # of votes}} * 100$</span></p>\n<p>Since there are 50 votes in total, you will be able to simplify this and give your answer as a whole number.</p>"}], "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": "2", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "percentage", "maxValue": "percentage", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Mash Sheffield", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/496/"}, {"name": "fay frost", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/11926/"}, {"name": "Phillips Obasohan", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/11959/"}], "resources": ["question-resources/Untitled_2_DcrVMAD.png"]}]}], "contributors": [{"name": "Mash Sheffield", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/496/"}, {"name": "fay frost", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/11926/"}, {"name": "Phillips Obasohan", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/11959/"}]}