The mean SAT score in mathematics, μ , is 533 . The standard deviation of these scores is 36 . A special preparation course claims that its graduates will score higher, on average, than the mean score 533 . A random sample of 17 students completed the course, and their mean SAT score in mathematics was 535 . Assume that the population is normally distributed. At the 0.01 level of significance, can we conclude that the preparation course does what it claims? Assume that the standard deviation of the scores of course graduates is also 36 . Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places, and round your responses as specified in the table. The null hypothesis: H0: The alternative hypothesis: H1: The type of test statistic: (Choose one)ZtChi squareF The value of the test statistic: (Round to at least three decimal places.) The p-value: (Round to at least three decimal places.) Can we support the preparation course's claim that its graduates score higher in SAT? Yes No
The mean SAT score in mathematics, μ , is 533 . The standard deviation of these scores is 36 . A special preparation course claims that its graduates will score higher, on average, than the mean score 533 . A random sample of 17 students completed the course, and their mean SAT score in mathematics was 535 . Assume that the population is normally distributed. At the 0.01 level of significance, can we conclude that the preparation course does what it claims? Assume that the standard deviation of the scores of course graduates is also 36 . Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places, and round your responses as specified in the table. The null hypothesis: H0: The alternative hypothesis: H1: The type of test statistic: (Choose one)ZtChi squareF The value of the test statistic: (Round to at least three decimal places.) The p-value: (Round to at least three decimal places.) Can we support the preparation course's claim that its graduates score higher in SAT? Yes No
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
The mean SAT score in mathematics,
, is
. The standard deviation of these scores is
. A special preparation course claims that its graduates will score higher, on average, than the mean score
. A random sample of
students completed the course, and their mean SAT score in mathematics was
. Assume that the population is normally distributed. At the
level of significance, can we conclude that the preparation course does what it claims? Assume that the standard deviation of the scores of course graduates is also
.
μ
533
36
533
17
535
0.01
36
Perform a one-tailed test. Then fill in the table below.
Carry your intermediate computations to at least three decimal places, and round your responses as specified in the table.
|
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