Under the Normal Curve, the Probability of Any Single Score

question 14

Multiple Choice

Under the normal curve, the probability of any single score being above the 50th percentile is

• A) 0
• B) .16
• C) .34
• D) .50

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Definitions:

Sampling Error

The discrepancy between the statistical characteristics of a population and those of a sample supposedly representing that population.

Bias

A systematic error or deviation from true results or values, caused by factors that skew the data in a certain direction.

Sampling

The process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

Stratified Random Sampling

A method of sampling from a population where the population is divided into distinct subgroups and samples are drawn from each subgroup.