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Observations from another population revealed a sample mean

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Reference no: EM132402336

The null and alternate hypothesis are:

H0:M1=M2

H1:M1≠M2

A random sample of 9 observations from one population revealed a sample mean of 22 and a sample standard deviation of 4.7. A random sample of 9 observations from another population revealed a sample mean of 26 and a sample standard deviation of 3.6.

At a .10 significance level

A) Compute the pooled variance

B) Compute the test statistic

Reference no: EM132402336

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