18. Using simple linear regression analysis, it is found that =5+0.2 x When X is

Question

18. Using simple linear regression analysis, it is found that =5+0.2 x When X is 10, the estimated value of Y is D. Not enough information given to answer this question E. None of the above 19. Hypothesis testing is a method of testing A. Using a sample to reach decisions concerning parameter values B. Using a population to reach decisions concerning parameter values c. Using a parameter to reach decisions concerning sample values D. Using a parameter to reach decisions concerning population values E. C and D 9

Explanation / Answer

Ans:

18)

Regression eqn:

y=5+0.2x

when x=10

y=5+0.2*10=5+2

y=7

Option B is correct.

19)

Hypothesis is a method of testing using a sample to reach decisions concerning parameter values.

Option A is correct.

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