Carmella Is in a Class Where the Scores on the Second

question 114

Multiple Choice

Carmella is in a class where the scores on the second midterm exam ranged from 75 to 85 points.Conrad is taking the same course,but in his section the scores ranged from 50 to 98 points.In this example,what can be said about the standard deviations in the two classes

• A) The standard deviation will be lower in Carmella's class. 
• B) The standard deviations will be negatively correlated. 
• C) The standard deviation will be less predictable in Carmella's class. 
• D) The standard deviation will be higher in Carmella's class.

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Definitions:

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Factorial ANOVA

A statistical test used to determine the effect of two or more categorical independent variables on a continuous dependent variable.

Obtained Value

The actual measured or calculated value resulting from a scientific experiment or survey.

Main Effect

The direct impact of an independent variable on a dependent variable in an experiment.