The Regression Model $\hat { Y }$ = 160 + 8x₁ - 5x₂ Has Been Fitted to 8x₁

question 79

Essay

The regression model $\hat { Y }$ = 160 + 8x₁ - 5x₂ has been fitted to a set of data.Comment on whether interaction would appear to exist between x₁ and x₂?
Interaction: ____________________
Comments:

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Definitions:

Standard Deviation

An indicator that quantifies the extent of spread or diversity among values in a dataset, showing how far the values diverge from the average.

Retries

The number of attempts to perform an action after initial failures.

Variances

A measure of the dispersion of a set of data points around their mean; essentially, it quantifies how much the data points differ from the mean.

Bivariate Distributions

Probability distributions that involve two random variables, analyzing the correlation and dependencies between them.