2. Construct a 95% confidence interval for the standard deviation of math scores of students maj in engineering. Interpret.

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Author:Amos Gilat
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Do SAT scores for high school students differ depending on the students' intended field of study? Fifteen
students who intended to major in engineering were compared with 15 students who intended to major in
language and literature. Given in the accompanying table are the means and standard deviations of the
scores on the verbal and mathematics portion of the SAT for the two groups of students:
VERBAL
MATH
Engineering (n = 15)
Language/Literature (n
9-446
42 g 548 s=57
15) 7
534
45 7=517 s=52
The questions follow on page 2. Probability tables are provided at the back of the test,
Transcribed Image Text:QUESTIONS Do SAT scores for high school students differ depending on the students' intended field of study? Fifteen students who intended to major in engineering were compared with 15 students who intended to major in language and literature. Given in the accompanying table are the means and standard deviations of the scores on the verbal and mathematics portion of the SAT for the two groups of students: VERBAL MATH Engineering (n = 15) Language/Literature (n 9-446 42 g 548 s=57 15) 7 534 45 7=517 s=52 The questions follow on page 2. Probability tables are provided at the back of the test,
2. Construct a 95% confidence interval for the standlard deviation of math scores of students majori
in engineering. Interpret.
Transcribed Image Text:2. Construct a 95% confidence interval for the standlard deviation of math scores of students majori in engineering. Interpret.
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