An Increase in the Sample Size Has the Effect of Decreasing

question 15

Multiple Choice

An increase in the sample size has the effect of decreasing the sampling error if the:

• A) actual sample deviation rate increases.
• B) actual sample deviation rate does not increase.
• C) number of deviations in the sample increases.
• D) number of deviations in the sample does not increase.

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Definitions:

Normal Approximation

A method used to approximate the distribution of a sum of independent random variables using the normal distribution, under certain conditions.

Continuity Correction

An adjustment made when approximating a discrete distribution with a continuous one, particularly relevant when making inferences about binomial distribution using normal approximation.

Null Hypothesis

A statement in statistics that suggests there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples to determine if their population mean ranks differ.