{"id":"cb_practice_pdf:t5-math-m2-q15","source_id":"cb_practice_pdf","source_item_id":"t5-math-m2-q15","external_id":null,"ibn":null,"question_id":null,"program":"SAT","module":"math","domain_code":null,"domain":null,"skill_code":null,"skill":null,"difficulty":null,"score_band":null,"answer_type":"mcq","answer_source":"rationale","layout_warning":null,"form_id":"cb_practice_pdf:test-5","module_number":2,"position":15,"stem":"Five Eretmochelys imbricata, a type of sea turtle, each have a nest. The table shows an original data set of the number of eggs that each turtle laid in its nest. Nest Number of eggs A 149 B 144 C 148 D 136 E 139 A sixth nest with 121 eggs is added to create a new data set. Which of the following correctly compares the means of the two data sets?","stimulus":"","stimulus_html":null,"stem_html":"<p>Five Eretmochelys imbricata, a type of sea turtle, each have a nest. The table shows an original data set of the number of eggs that each turtle laid in its nest. Nest Number of eggs A 149 B 144 C 148 D 136 E 139 A sixth nest with 121 eggs is added to create a new data set. Which of the following correctly compares the means of the two data sets?</p>","rationale_html":"<p>Choice A is correct. It’s given that the table shows an original data set of 5 values. It’s also given that a sixth value is added to create a new data set. The new data 121 set consists of the 5 values in the original data set and one additional value, . 121 Since the additional value, , is less than any value in the original data set, the mean of the original data set is greater than the mean of the new data set. 45 SAT PRACTICE TEST #5 ANSWER EXPLANATIONS SAT ANSWER EXPLANATIONS n MATH: MODULE 2 Choice B is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.</p>","correct_answer":["A"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"<p>The mean of the original data set is greater than the mean of the new data set.</p>","ord":0},{"label":"B","content_html":"<p>The mean of the original data set is less than the mean of the new data set.</p>","ord":1},{"label":"C","content_html":"<p>The means of both data sets are equal.</p>","ord":2},{"label":"D","content_html":"<p>There is not enough information to compare the means.</p>","ord":3}],"attribution":{"source_id":"cb_practice_pdf","source_name":"College Board full-length SAT practice tests (PDF)","rights_holder":"College Board","canonical_url":"https://satsuite.collegeboard.org/practice/practice-tests/paper","retrieved_from":"https://satsuite.collegeboard.org/practice/practice-tests/paper","attribution":"Full-length SAT practice tests 4–11 © College Board, published free at satsuite.collegeboard.org.","disclaimer":"Extracted from PDF layout: equations, figures and tables do not survive intact. Use the original PDFs for anything the text renders poorly. SAT® is a trademark registered by the College Board, which is not affiliated with and does not endorse this project.","license":"College Board copyright. Free to download; not licensed for redistribution.","redistributable":false,"item_count":905}}