Using Two Independent Samples, We Test for a Hypothesized Difference

question 19

Multiple Choice

Using two independent samples, we test for a hypothesized difference between two population means. The population standard deviations are unknown but assumed equal. The number in the first sample is fifteen and the number in the second sample is twelve. How many degrees of freedom are associated with the critical value?

• A) 24
• B) 25
• C) 26
• D) 27

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