A psychologist has developed an aptitude test which consists of a series of mathematical and vocabulary problems. The test was designed to result in…

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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 α = 0.1 is to be used for the test. The P-value for this test statistic is lessgreater than the level of significance.

c)The result of this test is that the null hypothesis is rejectednot rejected.


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