// Numbas version: exam_results_page_options
{"name": "NA SP Read data from a chart and perform calculations (10+)", "extensions": [], "custom_part_types": [], "resources": [["question-resources/child_care_chart.png", "/srv/numbas/media/question-resources/child_care_chart.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "NA SP Read data from a chart and perform calculations (10+)", "tags": ["LANTITE", "Western Sydney MESH"], "metadata": {"description": "<p>Used for LANTITE preparation (Australia).&nbsp;NA = Number &amp; Algebra strand. SP = Statistics &amp; Probability strand. Students read a percentage from the chart, and calculate that percentage of the number of children (randomly generated).</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<div id=\"MathJax_Message\" style=\"display: none;\"></div>\n<p>The chart below shows the&nbsp;proportion and type of care used for children in Australia.</p>\n<p><img src=\"resources/question-resources/child_care_chart.png\"/></p>\n<p><sup>Taken from <a href=\"http://www.abs.gov.au/ausstats/abs@.nsf/0/F924A95E815CD063CA257657001619DE?Opendocument\">http://www.abs.gov.au/ausstats/abs@.nsf/0/F924A95E815CD063CA257657001619DE?Opendocument</a> Accessed 22/11/2018</sup></p>", "advice": "<p>There were {formatnumber(num_kids,\"si-en\")} children aged 0 - 12 in the Blacktown City Council area in 2017.&nbsp; &nbsp;</p>\n<p>9.7% of them were&nbsp;using both&nbsp;types of care.</p>\n<p>To calculate 9.7% of {formatnumber(num_kids,\"si-en\")}, divide 9.7 by 100 then multiply the answer by {formatnumber(num_kids,\"si-en\")}.</p>\n<p>This gives {formatnumber(0.097*num_kids,\"si-en\")}.</p>\n<p>Then round this to the nearest {roundinglevel}.&nbsp; &nbsp;</p>\n<p>{formatnumber(0.097*num_kids,\"si-en\")} rounded to the nearest {roundinglevel} is {trim(dpformat(siground({num_kids*0.097},{4-index}),0,\"si-en\"))}.</p>\n<p>Approximately {trim(dpformat(siground({num_kids*0.097},{4-index}),0,\"si-en\"))} children&nbsp;used both Formal and Informal care in 2017.</p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"num_kids": {"name": "num_kids", "group": "Ungrouped variables", "definition": "random(70000 .. 90000#1000)", "description": "<p>This is the number of children in the Blacktown area in 2017.</p>", "templateType": "randrange", "can_override": false}, "index": {"name": "index", "group": "Ungrouped variables", "definition": "random(1 .. 3#1)", "description": "<p>The randomised index which determines the rounding level.</p>", "templateType": "randrange", "can_override": false}, "roundinglevel": {"name": "roundinglevel", "group": "Ungrouped variables", "definition": "10^index", "description": "<p>The level of rounding - either 10, 100 or 1000.</p>", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["num_kids", "roundinglevel", "index"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"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, "prompt": "<p>If there were {formatnumber(num_kids,\"si-en\")} children aged 0 - 12 in the Blacktown City Council area in 2017, how many of these children&nbsp;used both Formal and Informal care in 2017? Give your answer to the nearest {roundinglevel}.&nbsp;Do not put a comma in your answer.</p>", "minValue": "siground({num_kids*0.097},{4-index})", "maxValue": "siground({num_kids*0.097},{4-index})", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Don Shearman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/680/"}, {"name": "Adelle Colbourn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2083/"}]}]}], "contributors": [{"name": "Don Shearman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/680/"}, {"name": "Adelle Colbourn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2083/"}]}