MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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
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