Suppose that in a regression analysis, the explanatory variable X 1 represents t

Question

Suppose that in a regression analysis, the explanatory variable X1 represents temperature, and the explanatory variable X2 represents whether or not an individual is a male or female. Which statement is the most accurate given this information?

There is no relationship between the variables  X1 and  X2

X1 and  X2. should be written as an interaction term in the regression.

Both X1  and  X2. should be represented by a dummy variable in the regression.

The variable X1 should be represented as a dummy variable.

The variable X2 should be represented as a dummy variable.

There is no relationship between the variables  X1 and  X2

X1 and  X2. should be written as an interaction term in the regression.

Both X1  and  X2. should be represented by a dummy variable in the regression.

The variable X1 should be represented as a dummy variable.

The variable X2 should be represented as a dummy variable.

Explanation / Answer

Ans: Explanatory variable X1 represents temperature, and the explanatory variable X2 represents whether or not an individual is a male or female.

There is no relationship between the variables  X1 and  X2

There is no relationship between the variables  X1 and  X2

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