It Is More Accurate Use a Survey to Ask Shoppers

question 52

True/False

It is more accurate use a survey to ask shoppers how much time they have spent in a store than it is to use observation.

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Definitions:

Least Squares Estimate

A method of estimating the coefficients in a linear regression model by minimizing the sum of the squares of the differences between observed and predicted values.

Slope

A measure of the steepness or incline of a line, often calculated as the ratio of the vertical change to the horizontal change between two points on the line.

Dependent Variable

A variable in statistical analysis that represents the outcome of interest, whose variation is hypothesized to depend on the manipulation or variation of other variables.

Independent Variable

A variable in a functional relation whose value determines the value or values of other variables.