Statiistical Evaluation Flashcards

0
Q

descriptive statistics

A

the listing and summarizing off data in a practical, efficient way

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1
Q

statistics

A

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

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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 of frequency distribution shaped like a symmetrical, bell-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 two 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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