Question

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25) In which of the following models does the slope coefficient b1 measure the change in when x increases by one unit? A) Linear regression model B) Exponential regression model C) Logarithmic regression model D) Log-log regression model


26.) In which of the following models does the slope coefficient b1 × 100 measure the approximate percentage change in when x increases by one unit? A) Linear regression model B) Exponential regression model C) Logarithmic regression model D) Log-log regression model

27.) In which of the following models does the slope coefficient b1/100 measure the approximate percentage change in when x increases by 1%? A) Linear regression model B) Exponential regression model C) Logarithmic regression model D) Log-log regression model

Answer 1

27) A) Linear Regression

Reason : In linear regression a unit change in independent variable has b1 effect of change on dependent variable

28) B) Exponential regression model

Reason : for a unit change in x has result in 100*b1 for E(y) in exponential regression model

29) Logarithmic regression model

Reason : If we increase x by one percent,

we expect y to increase by (β1/100) units of y.

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