Students in the Psychology Department Consume an Average of 5

question 41

Essay

Students in the psychology department consume an average of 5 cups of coffee per day with a standard deviation of 1.75 cups.The number of cups of coffee consumed is normally distributed.
What proportion of students consumes an amount equal to or less than 6 cups per day? How many cups would an individual at the 80^th percentile drink?

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Definitions:

High-low Method

A technique used in managerial accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.

High-low Method

A technique used in cost accounting to determine the variable and fixed components of a cost by analyzing the highest and lowest activity levels.

R-squared

R-squared is a statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

High-low Method

A technique used in managerial accounting to estimate fixed and variable costs associated with production or business operations based on the highest and lowest levels of activity.