A regression analysis was performed to determine which, if any, of protein (gram

Question

A regression analysis was performed to determine which, if any, of protein (grams), total fat (grams), fiber (grams), carbohydrates (grams), and sugars (grams) are associated with calories in a sample of 34 breakfast cereals. An F-test is to be performed. How many degrees of freedom does the F-statistic have? Choose the correct answer below A. numerator-3, denominator = 31 OB. numerator-3, denominator-30 OC. numerator-4, denominators 30 D. numerator 5, denominator 28 OE, numerator 1, denominator-32

Explanation / Answer

We have

n = 34 regressor = 5 i.e. p = 5

Now degree of freedom of F statistics is numerator = p and denominator = n-p-1

numerator = 5 and denominator = 34 - 5 - 1 =28

So Option (D) is correct.

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