A Population of Scores Has µ = 80

question 45

Multiple Choice

A population of scores has µ = 80.In this population,a score of X = 86 corresponds to z = +2.00.What is the population standard deviation?​

• A)​2
• B)​3
• C)​6
• D)​12

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Definitions:

F-Ratio

A statistical measure used in the analysis of variance (ANOVA), comparing the variance among group means to the variance within groups.

Studentized Residuals

Residuals in regression analysis that have been standardized by dividing by an estimate of their standard deviation to identify outliers.

Plot

A graphical technique for representing a data set, usually as a graph showing the relationship between two or more variables.

Chest

The front part of the body between the neck and the abdomen, enclosing the heart and lungs.