Question: Use the data given and the eight-step process to test the following hypotheses. H0: 1 - 2 = 0 ....... Ha: 1 - 2 <

Use the data given and the eight-step process to test the following hypotheses.

H0: µ1 - µ2 = 0 ....... Ha: µ1 - µ2 < 0


Sample 1 ...Sample 2

n1 = 8 ...... n2 = 11

x̄1 = 24.56 ...x̄2 = 26.42

s21 = 12.4 .... s22 = 15.8


Use a 1% level of significance, and assume that x is normally distributed.

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