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- Multiple ChoicePlease save your changes before editing any questions.
Standard Deviation

The square root of the average squared deviations from the mean of scores in a distribution; a measure of variability

Referring to differences in data sets that are larger than chance variation would predict

A distribution of scores in which scores are concentrated in the high end of the distribution

A distribution of scores in which scores are concentrated in the low end of the distribution

- Multiple ChoicePlease save your changes before editing any questions.
Inferential Statistics

Statistical analysis of two or more sets of numerical data to reduce the possibility of error in measurement and to determine if the differences between the data sets are greater than chance variation would predict

A number that represents the strength and direction of a relationship existing between two variables

A distribution of scores in which scores are concentrated in the low end of the distribution

A distribution of scores in which scores are concentrated in the high end of the distribution

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Statistically Significant

Referring to differences in data sets that are larger than chance variation would predict

A number that represents the strength and direction of a relationship existing between two variables

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Correlation Coefficient

A number that represents the strength and direction of a relationship existing between two variables

Referring to differences in data sets that are larger than chance variation would predict

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Positively Skewed

A distribution of scores in which scores are concentrated in the low end of the distribution

A distribution of scores in which scores are concentrated in the high end of the distribution

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Normal Distribution/Curve

A special frequency polygon, shaped like a bell, in which the scores are symmetrically distributed around the mean, and the mean, median, and mode are all located on the same point on the curve with scores decreasing as the curve extends from the mean

A distribution of scores in which scores are concentrated in the high end of the distribution

A distribution of scores in which scores are concentrated in the low end of the distribution

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Outliers

Extreme values in a set of data that may throw off the accuracy of the data set as a whole

Referring to differences in data sets that are larger than chance variation would predict

The square root of the average squared deviations from the mean of scores in a distribution; a measure of variability

A number that represents the strength and direction of a relationship existing between two variables

- Multiple ChoicePlease save your changes before editing any questions.
Scatterplot

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Outlier

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Normal Distribution / Normal Curve

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Which ones are skewed?