The measure of variability that takes into account all score values is the:
Question 1 options:
Range
Median
Mean
Standard deviation
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Question 2 (1 point)
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The mode is an index of:
Question 2 options:
Bivariate relationships
Central tendency
Skewness
Variability
Question 3 (1 point)
Which level of measurement permits the researcher to add, subtract, multiply, and divide?
Question 3 options:
Nominal