In Testing the Difference Between Two Independent Population Means If

question 119

Multiple Choice

In testing the difference between two independent population means if the variances of the two populations are not equal the critical value of the t statistic is obtained by calculating ___________________.

• A)degrees of freedom
• B)the sum of the two sample sizes (n₁ + n₂)
• C)p-value
• D)pooled variance

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