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Sample A has variance 12 and Sample B has variance 20. What is the F test statistic after correctly labeling Sample 1?

A two-sample mean test has n1 = 30 and n2 = 100. Which Excel function is used to find the critical value?

A two-tail proportion test has critical values ±2.326 and TS = 2.800. Decision: ______. Answer “reject H0” or “fail to reject H0”.

Sample 1: x̄1 = 12.4, s1 = 2.0, n1 = 64. Sample 2: x̄2 = 11.6, s2 = 2.4, n2 = 81. Compute TS. Round to 3 decimals.

Module 7 states that two independent samples should have a relationship, effect, or influence on each other.

The sample mean of the paired differences, as used in the TS formula, is written as ______.

A left-tail two-sample mean test has critical value -1.311 and TS = -2.363. What is the decision?

The claim is H1, and the decision is reject H0. The claim is ______. Answer “supported” or “not supported”.

Even in a two-tail F test, we must use only the right critical value.

In Module 7, two-sample proportion tests assume which type of outcome structure?