The Magical Number of Short-Term Memory Is

question 90

Multiple Choice

The magical number of short-term memory is

• A)fifteen plus or minus two.
• B)nine plus or minus two.
• C)seven plus or minus three.
• D)seven plus or minus two.

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Definitions:

Test Statistic

A quantity derived from sample data that is used in a hypothesis test to make a decision about the null hypothesis.

Chi-Squared Table

A table that shows the critical values of the chi-square distribution, used to determine the significance of chi-square statistics.

Null Hypothesis

The assumption in hypothesis testing that posits no significant difference exists between specified populations.

Contingency Table

A table often used in statistics to display the frequency distribution of variables.