## [answered] A psychologist has developed an aptitude test which consist

A psychologist has developed an aptitude test which consists of a series of mathematical and vocabulary problems. They want to test the hypothesis that the mean test score is 65.1.

A random sample of 40 people have taken the test and their results recorded:

 71 80 42 63 61 59 72 92 83 74 85 63 55 90 63 51 63 61 78 54 84 64 54 80 93 41 64 73 78 63 50 54 66 44 53 61 98 56 81 86

You may find this?Student's t distribution table?useful throughout this question.

a)Calculate the test statistic (t) for the hypothesis test. Give your answer to 4 decimal places.

t =?

b)A level of significance of?? = 0.1?is to be used for the test. The P-value for this test statistic is?_____________
?than the level of significance. Pick either A.=less B.= greater

c)The result of this test is that the null hypothesis is ?________________?A.=rejected B.= not rejected
.

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This question was answered on: Sep 18, 2020

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