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Assignment help 5454

Can someone please answer this question that is due 4/26/18 @ 2pm please thank you.

Chapter 6, Section 4-HT, Exercise 211

Use the t-distribution and the given sample results to complete the test of the given hypotheses. Assume the results come from random samples, and if the sample sizes are small, assume the underlying distributions are relatively normal.

Test H0 : ?A=?B

 vs Ha : ?A??B

 using the fact that Group A has 8 cases with a mean of 125 and a standard deviation of 18 while Group B has 15 cases with a mean of 118 and a standard deviation of 14.

Your answer is partially correct. Try again.  

(a) Give the test statistic and the p-value.

Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places.

test statistic = 

Enter your answer in accordance to item (a) of the question statement

p-value = 

Enter your answer in accordance to item (a) of the question statement

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