When Testing for Differences of Means, You Can Base Statistical $n _ { w }$

question 56

Multiple Choice

When testing for differences of means, you can base statistical inference on the

• A)Student t distribution in general
• B)normal distribution regardless of sample size
• C)Student t distribution if the underlying population distribution of Y is normal, the two groups have the same variances, and you use the pooled standard error formula
• D)Chi-squared distribution with ( \(n _ { w }\) + \(n _ { m }\) - 2)degrees of freedom

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