You wish to test the following claim (Ha) at a significance level of a = 0.10....
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You wish to test the following claim (Ha) at a significance level of a = 0.10. For the context of this problem, = where the first data set represents a pre-test and the second data set represents a post-test. Ho: d = 0 Hd Ha: d #0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: pre-test 42.1 post-test 44.7 41.9 30.3 37 37.7 43.8 33 44.1 47.2 34.2 50.1 50.3 60.1 53.3 43.9 41.6 37.2 50.9 37.6 37.1 61 43.2 68.5 50.3 55.2 38.4 59.2 42.2 40.5 31.7 33.4 55 64.8 52.3 57.2 41.6 59.6 45.2 79.1 41.8 56.3 35.5 36.7 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The value is You wish to test the following claim (Ha) at a significance level of a = 0.10. For the context of this problem, = where the first data set represents a pre-test and the second data set represents a post-test. Ho: d = 0 Hd Ha: d #0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: pre-test 42.1 post-test 44.7 41.9 30.3 37 37.7 43.8 33 44.1 47.2 34.2 50.1 50.3 60.1 53.3 43.9 41.6 37.2 50.9 37.6 37.1 61 43.2 68.5 50.3 55.2 38.4 59.2 42.2 40.5 31.7 33.4 55 64.8 52.3 57.2 41.6 59.6 45.2 79.1 41.8 56.3 35.5 36.7 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The value is
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