Question

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1. Using only the QQplot, would you consider the variable Pr to be normally distributed?

	A.	Yes
	B.	No

2. Based only on the QQ plot, would you consider the variable Caf normally distributed?

	A.	Yes
	B.	No

3. Create a contingency table using the variables Smk and Aer. How many people smoke and do aerobics?

4. If an observation can fit into more than one cell in a contingency table,

	a.	The observation should be place in each appropriate cell
	b.	A fraction of the observation should be placed in each appropriate cell
	c.	The observation should not be used
	d.	The rows or column labels need to be restructured to make them mutually exclusive

Answer 1

Ansares Using only the og plot, we could not conside the variable to be Noscodly distobuled Hence the answers No there are other meanses dso D check ronnistu 3) Based on 80 plot only, we can not consider the variable to be Normally distributed. Hence the answer is No. 3 Define two attribute A: Smokers hop smoker B Aerobics & dort gembic Prepare 2x2 contgenry table as follows Do Aerobics Do not do aerobics Smoke a b Non smoke c d Total atc brd Total atb ctd N = atbiced I thes find coefficest of association ca) G - Cad-bc)2 - Catb) (c+d) (a+c) (b+d). From the above table, there are a people who smoke & do aerobia. 4 If on obs. fits into more than one cell, the was & columns label need to be restructured to make them mutually enclusive.