THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 63

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The model y = β₀ + β₁X₁ + β₂X₂ + ε was fitted to a sample of 25 families in order to explain household milk consumption: where y = Milk consumption,in quarts,per week,x₁ = Weekly income,in hundreds of dollars,and x₂ = Family size.The least squares estimates of the regression parameters were b₀ = -0.03,b₁ = 0.05,and b₂ = 1.1,with coefficient standard errors
= 0.02;
= 0.38.The total sum of squares and the error sum of squares were found to be 165.8 and 66.32 respectively.
-Interpret the estimate b₁.

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Definitions:

Biological Community

A group of interacting organisms of different species living in a common location and sharing resources.

Ecological Niche

The role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

Local Environment

The specific surroundings or conditions in which a person, plant, or animal lives or operates.

Restriction

The limitation or control of someone or something, or the action of such limitation.