If the Population from Which We Sample Is Normal, the Sampling

question 9

Multiple Choice

If the population from which we sample is normal, the sampling distribution of the mean

• A) will approach normal for large sample sizes.
• B) will be slightly positively skewed.
• C) will be normal.
• D) will be normal only for small samples.

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Definitions:

Power

In statistics, the probability that a test will correctly reject a false null hypothesis; essentially, the test's sensitivity to detect an effect when there is one.

Likelihood Of Error

The probability or chance that a statistical conclusion may be incorrect or misleading.

Mean

An average of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Z Score

A numerical calculation indicating how a specific value's distance from the group's average is expressed in multiple standard deviations.