Mathematics, 24.11.2020 20:50 manillasoccer
Until the scale was changed in 1995, SAT scores were based on a scale set many years ago. For Math scores, the mean under the old scale in the 1990s was 470 and the standard deviation was 110. In 2013 the mean was 515 and the standard deviation was 116. Gina took the SAT in 1994 and scored 500 on the Math test. Her cousin Colleen took the SAT in 2013 and scored 530 on the Math test. Who did better relative to their peers, and how can you tell? Group of answer choices Colleenāshe scored 30 points higher than Gina. Ginaāthe standard deviation was bigger in 2013. Ginaāher standardized score is higher than Colleenās. Colleenāher standardized score is higher than Ginaās.
Answers: 3
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Until the scale was changed in 1995, SAT scores were based on a scale set many years ago. For Math s...
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