Two Factors Influence the Size of the Standard Error of the Mean

question 41

Multiple Choice

Two factors influence the size of the standard error of the mean: the _____ and the _____.

• A)sample standard deviation;sample variance
• B)population size;variability of scores in the population
• C)sample size;variability of scores in the population
• D)sum of squares;error variance

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Definitions:

Level Of Significance

The threshold used to determine the statistical significance of an observed effect; denoted by alpha, typically set at 0.05 or 5%.

P-value

The chance of obtaining test outcomes that are as drastic as, or more drastic than, the ones actually observed, under the premise that the null hypothesis is right.

One-tailed Hypothesis Test

A specific type of statistical test that looks for evidence of an effect in one direction.

P-value

The probability of getting results from tests that are at least as exceptional as the outcomes truly noted, assuming the null hypothesis is factual.