If You Add Up All the Scores and Then Divide

question 74

Multiple Choice

If you add up all the scores and then divide by the number of scores,you arrive at the

• A) mean.
• B) median.
• C) mode.
• D) range.

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Definitions:

Two-Tail Test

A statistical hypothesis test in which the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.

Sample Proportions

The ratio of members within a sample that satisfy a given characteristic, often used to estimate the proportion of the characteristic in the entire population.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in constructing confidence intervals around a sample statistic to estimate the population parameter.

Test Statistic

A metric deduced from a sample's data in the process of hypothesis testing, which aids in determining the rejection of the null hypothesis.