A 99% Confidence Interval from a Sample of Size 65

question 7

Multiple Choice

A 99% confidence interval from a sample of size 65

• A)2.390
• B)2.576
• C)2.643
• D)2.660
• E)2.326

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Definitions:

Wilcoxon Rank Sum Test

A non-parametric statistical hypothesis test used to compare two independent samples to assess whether their population mean ranks differ.

Wilcoxon Rank Sum Test

A nonparametric test that compares two independent samples to ascertain whether their populations have the same distribution.

Wilcoxon Rank-sum Test

A nonparametric test that compares two independent samples to assess whether their population mean ranks differ, used when data are not normally distributed.

Wilcoxon Rank Sum Test

A non-parametric statistical test used to compare two independent samples to determine if they come from the same population.