' Flashcards

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1
Q

Descriptive statistics

A

The listing and summarizing of data in practical, efficient way.

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2
Q

Frequency distribution

A

An arrangement of data that indicates how often a particular score or observation occurs.

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3
Q

Normal curve

A

A graph frequency distribution shaped like a symmetrical, bells shaped curve a graph of normally distributed data.

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4
Q

Central tendency

A

A number that describes something about the “average” score of a distribution.

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5
Q

Variance

A

A measure of difference, or spread of data.

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6
Q

Standard deviation

A

A measure of variability that describes an average distance of every score from the mean.

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7
Q

Correlation coefficient

A

Describes the direction and strength of the relationship between 2 sets of variables.

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8
Q

Inferential statistics

A

Numerical methods used to determine whether research data support a hypothesis or whether results were due to chance.

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9
Q

Statistics

A

The branch of mathematics concerned with summarizing and making meaningful inferences from collections of data.

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