Data Released in 2007 Showed That You Are More Likely

question 50

Multiple Choice

Data released in 2007 showed that you are more likely to:

• A) gain weight if your friends gain weight.
• B) lose weight if someone you are close to gains weight.
• C) gain weight if someone you are close to loses weight.
• D) gain weight if someone you care about loses weight.

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Definitions:

Large Sample

A statistical concept where the sample size is sufficiently large to approximate certain properties of the entire population under study.

ANOVA F Statistic

A statistic used in Analysis of Variance (ANOVA) tests to determine if there are significant differences between the means of three or more groups.

Significance Level

A threshold chosen by the researcher which the p-value must be below in order to reject the null hypothesis.

Explanatory Variables

Variables in a statistical model that are used to predict or explain changes in the dependent variable.