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A Quick Method of Finding Out the Degree of Customer

question 84

Multiple Choice

A quick method of finding out the degree of customer satisfaction at a local supermarket would be through the use of:


Definitions:

Standard Residuals

Residuals that have been standardized to have a mean of 0 and a standard deviation of 1, useful for identifying outliers in regression analysis.

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.

Simple Linear Regression

Simple Linear Regression is a statistical method to model the relationship between a single independent variable and a dependent variable by fitting a linear equation.

Sample Correlation Coefficient

A measure that indicates the degree of linear relationship between two variables in a sample, ranging between -1 and 1, where 1 means a perfect positive correlation and -1 a perfect negative correlation.

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