{"id":"cb_question_bank:60df02ba-a723-4c7d-bc64-6cb21cbce547","source_id":"cb_question_bank","source_item_id":"60df02ba-a723-4c7d-bc64-6cb21cbce547","external_id":null,"ibn":"028872-DC","question_id":"3d985614","program":"SAT","module":"math","domain_code":"Q","domain":"Problem-Solving and Data Analysis","skill_code":"Q.D.","skill":"Two-variable data: Models and scatterplots","difficulty":"M","score_band":5,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"Each dot in the scatterplot above represents the height x , in feet, in the high jump, and the distance y , in feet, in the long jump, made by each student in a group of twenty students. The graph of which of the following equations is a line that most closely fits the data?","stimulus":"The figure presents a scatterplot. The horizontal axis is labeled “High jump height, in feet,” and the numbers 0 through 6, in increments of 1, are indicated. The vertical axis is labeled “Long jump distance, in feet,” and the numbers 0 through 20, in increments of 2, are indicated. There are 20 dots indicated on the scatterplot. The dots begin in the lower left part of the plane, at the dot with coordinates 1 comma 2, and trend upward and to the right until they end in the upper right part of the plane, at the dot with coordinates 5 comma 15.","stimulus_html":"<div class=\"stimulus_reference \">\n        <div class=\"standalone_image \">\n          <img src=\"/api/assets/f1c165cae7b420f65854b5e8e8f667192950b12f184ca052771ab4f1050acd52\" alt=\"The figure presents a scatterplot. The horizontal axis is labeled “High jump height, in feet,” and the numbers 0 through 6, in increments of 1, are indicated. The vertical axis is labeled “Long jump distance, in feet,” and the numbers 0 through 20, in increments of 2, are indicated. There are 20 dots indicated on the scatterplot. The dots begin in the lower left part of the plane, at the dot with coordinates 1 comma 2, and trend upward and to the right until they end in the upper right part of the plane, at the dot with coordinates 5 comma 15.\" width=\"163\" height=\"179\"></div>\n      </div>\n","stem_html":"<p class=\"stem_paragraph \">Each dot in the scatterplot above represents the height <span class=\"italic\">x</span>, in feet, in the high jump, and the distance <span class=\"italic\">y</span>, in feet, in the long jump, made by each student in a group of twenty students. The graph of which of the following equations is a line that most closely fits the data?</p>\n","rationale_html":"<p>Choice C is correct. A line that most closely fits the data is a line with an approximately balanced number of data points above and below the line. Fitting a line to the data shown results in a line with an approximate slope of 3 and a <span class=\"italic\">y</span>-intercept near the point <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/2d4884f132068792fe2bacce12324af4c24c5485d4c44b11eac8f8ba6fec7b13\" alt=\"with coordinates 0 comma 1\"></span>. An equation for the line can be written in slope-intercept form, <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/39dda01984e771026b6a8a741d3ebb66f1a29f1e81583b67f8d50f6e2dbb783e\" alt=\"y equals, m x plus b\"></span>, where <span class=\"italic\">m</span> is the slope and <span class=\"italic\">b</span> is the <span class=\"italic\">y</span>-coordinate of the <span class=\"italic\">y</span>-intercept. The equation <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/fccae0ea7c86bb35eef5ff5b02b85a2fe659a819d7efa57ae78b08226e39bdb7\" alt=\"y equals, 3 point 3 0 x plus 0 point 8 2\"></span> in choice C fits the data most closely.</p><p>Choices A and B are incorrect because the slope of the lines of these equations is 0.82, which is a value that is too small to be the slope of the line that fits the data shown. Choice D is incorrect. The graph of this equation has a <span class=\"italic\">y</span>-intercept at <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/21ce581a388b7f5b8ae7070a10625cac02bbce99c5ba4b296c62fcad62169706\" alt=\"the point with coordinates 0 comma negative 3 point 3 0\"></span>, not <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6e2ac16bb0d14dab7f9b023f7f2ed5884ddf5b89b8e478d3597dd4b1bf055afb\" alt=\"the point with coordinates 0 comma 0 point 8 2\"></span>. This line would lie below all of the data points, and therefore would not closely fit the data.</p><p></p>\n","correct_answer":["C"],"has_media":true,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.622000+00:00","source_updated_at":"2023-08-02T20:25:59.622000+00:00","options":[{"label":"A","content_html":"<p class=\"choice_paragraph \">\n            <span class=\"math_expression \">\n              <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/cd8acf0ead5f3a8a5a222d0b106af6e688bb4a524ed1fb1a9e96f285c892e0f1\" alt=\"y equals, 0 point 8 2 x, plus 3 point 3 0\"></span></span>\n          </p>\n","ord":0},{"label":"B","content_html":"<p class=\"choice_paragraph \">\n            <span class=\"math_expression \">\n              <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/fa4f4992cb4ebd9bdd1a51a494773ea631a1c43fa26b01562f6e05c6fb8c257d\" alt=\"y equals, 0 point 8 2 x, minus 0 point 8 2\"></span></span>\n          </p>\n","ord":1},{"label":"C","content_html":"<p class=\"choice_paragraph \">\n            <span class=\"math_expression \">\n              <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/b9e2d6183cf0e451659511ee84a023dc52ca1e38049ba2073cd05c759a335329\" alt=\"y equals, 3 point 3 0 x, plus 0 point 8 2\"></span></span>\n          </p>\n","ord":2},{"label":"D","content_html":"<p class=\"choice_paragraph \">\n            <span class=\"math_expression \">\n              <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/e336c683911a3e6811c73d147066a5474c4a3f5eed5d9121c829064eee6e2dcf\" alt=\"y equals, 3 point 3 0 x, minus 3 point 3 0\"></span></span>\n          </p>\n","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}