Question: Compute the test statistic given the information below. H0: = 28 Ha: 28 x = 25 n = 68 s = 2.5 90% level, so

Compute the test statistic given the information below.

H0: = 28

Ha: 28

x = 25

n = 68

s = 2.5

90% level, so = 10% and /2 = 5% = 0.05

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