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Formulate a research question and corresponding null and alternative hypothesis that you will test using linear...

Formulate a research question and corresponding null and alternative hypothesis that you will test using linear regression.

a)State the null and alternative hypotheses.

b)Specify your dependent variable:

c)Specify your independent variables and grouping categories as appropriate:

d)If you have nominal variables with more than two levels specify your dummy variables.

Math   Statistics-And-Probability   
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Answer #1

Suppose I want to predict the sales of M&M's on the basis of quantity.

A) null hypothesis, quantity is NOT a significant predictor of sales. Versus the alternative hypothesis, quantity is a significant predictor of sales.

B) sales is the dependent variable which is to be predicted.

C) the independent variable is quantity. It is categorized into three categories namely small medium and big size.

D) the number of dummy variables is 2. The first dummy variable indicates one when the quantity is small. the second dummy variable indicates one when the quantity is medium.

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