Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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Question
You wish to test the following claim (H) at a significance level of a = 0.005. For the context of this problem, μd=PostTest - PreTest where the first data set represents a pre-test and the second data set represents a post-test. (Each row represents the pre and post test scores for an individual. Be careful when you enter your data and specify what your μ₁ and μ₂ are so that the differences are computed correctly.) Ho: μd=0 Ha μd #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 post-test 58.9 57.4 72.5 57 62 48.2 41.6 31.7 41.9 28.9 45 44.8 70.8 60.9 52.7 64.6 36.1 -1.6 38 -6.5 43 37.8 42.6 14.2 33.4 60.5 23.5 50.6 41.9 52.1 What is the test statistic for this sample? test statistic = I (Report answer accurate to 4 decimal places.) What is the p-value for this sample? p-value = (Report answer accurate to 4 decimal places.)
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Transcribed Image Text:You wish to test the following claim (H) at a significance level of a = 0.005. For the context of this problem, μd=PostTest - PreTest where the first data set represents a pre-test and the second data set represents a post-test. (Each row represents the pre and post test scores for an individual. Be careful when you enter your data and specify what your μ₁ and μ₂ are so that the differences are computed correctly.) Ho: μd=0 Ha μd #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 post-test 58.9 57.4 72.5 57 62 48.2 41.6 31.7 41.9 28.9 45 44.8 70.8 60.9 52.7 64.6 36.1 -1.6 38 -6.5 43 37.8 42.6 14.2 33.4 60.5 23.5 50.6 41.9 52.1 What is the test statistic for this sample? test statistic = I (Report answer accurate to 4 decimal places.) What is the p-value for this sample? p-value = (Report answer accurate to 4 decimal places.)
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