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- 1. Multiple Choice
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
- 2. Multiple Choice
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
- 3. Multiple Choice
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
- 4. Multiple Choice
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
- 5. Multiple Choice
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
- 6. Multiple Choice
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
- 7. Multiple Choice
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
- 8. Multiple Choice
Scatterplot
- 9. Multiple Choice
Outlier
- 10. Multiple Choice
Normal Distribution / Normal Curve
- 11. Multiple Choice
Which ones are skewed?
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