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Hypothesis

An instructor thinks that math majors can write and debug computer programs faster than business majors. A sample of 12 math majors took an average of 36 minutes to write a specific program and debug it; a sample of 18 business majors took an average of 39 minutes. The standard deviations were 4 minutes and 9 minutes, respectively. At confidence interval = .10, is there evidence to support the claim? [Assumption: population variances are equal]

State the hypothesis: (indicate which is the claim)

Ho: ?

Ha: ?

Compute the test statistic: ?

Make a decision and state conclusion. ?

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