≪st2:personname W:st="on">Professor Goranson Studies the Relation Between Adolescents' Self-Esteem and the Number

question 33

Multiple Choice

<st2:personname w:st="on">Professor Goranson studies the relation between adolescents' self-esteem and the number of close friends they report having.After completing her statistical analyses,Professor Goranson finds that as the number of close friendships increased,adolescents' self-esteem rose moderately.Which correlation coefficient did she likely obtain?

• A) -0.86
• B) -0.35
• C) +0.46
• D) +0.98

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Definitions:

Interquartile Range

A measure of statistical dispersion, representing the difference between the 75th and 25th percentiles.

Outliers

Data points that significantly differ from the others in a data set.

Range

The difference between the highest and lowest values in a dataset.

Range

The difference between the highest and lowest values in a set of data, indicating the spread of values.