ble nific 0.01 0.05 € 0.10 SE One-tal 1 ga 8E One OTWO The val Calcula Question 20 You wish to test the following claim

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Ble Nific 0 01 0 05 0 10 Se One Tal 1 Ga 8e One Otwo The Val Calcula Question 20 You Wish To Test The Following Claim 1 (45.69 KiB) Viewed 141 times

ble nific 0.01 0.05 € 0.10 SE One-tal 1 ga 8E One OTWO The val Calcula Question 20 You wish to test the following claim (H₁) at a significance level of a = 0.002. For the context of this problem, d = 2 1 where the first data set represents a pre-test and the second data set represents a post-test. - You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n = 270 subjects. The average difference (post- pre) is d = 8.9 with a standard deviation of the differences of sd = 45.7. Ho: μd = 0 H₁: Hd #0 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic- € What is the P-value for this test? For this calculation, use the conservative under-estimate for the degrees of freedom as mentioned in the textbook. (Report answer accurate to four decimal places.) P-value= PYN The P-value is... O less than (or equal to) a O greater than a This P-value leads to a decision to... O reject the null O accept the null O fail to reject the null