Use the distribution and the given sample results to complete the test of the gi

Question

Use the 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 Ho : 1 = 2 vs Ha : | > 2 using the sample results 1:56, s1=8.2 with n1 = 30 and R2= 51, s2-6.9 with n2=40 (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 -value to three decimal places. test statistic -value =

Explanation / Answer

Solution:-

t = 2.7669 = 2.77
  df = 68
  standard error of difference = 1.807

p - value =  0.007

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