Statistics - PSY 200 - The Normal Curve, Z scores, and Probability

Describe characteristics of the normal curve.

Define the standard normal curve.

Define standard scores (z-scores), and identify the mean and s.d. of the z-score distribution.

Given the mean and s.d. of a distribution of raw scores, be able to convert any raw score to a z-score and vice versa.

Describe uses of z-scores and their advantages and disadvantages relative to percentile ranks.

Use the areas under the normal curve to find areas cut off above, below, and between z-scores and to find z-scores that cut off particular areas in the curve.

Use the areas under the normal table to convert raw scores or z-scores to percentile ranks and vice versa.

Define: outcome and event.

Define mutually exclusive outcomes.

Calculate the probability of an event consisting of two or more mutually exclusive outcomes.