Use the given information to find the number of degrees of freedom, the critical values 2 and x, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. White Blood Counts of Women 99% confidence; n = 150, s= 1.95 (1000 cells/μl.). df= (Type a whole number.) x2=0 (Round to two decimal places as needed.) x 1/2=0 (Round to two decimal places as needed.) The confidence interval estimate of a is (Round to two decimal places as needed.) (1000 cells/μL) << (1000 cells/μL).

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A: The mean is computed below.   Aptitude score(x) Frequency(f) x*f 0 4 0 1 2 2 2 3 6 3 0 0…

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A: Let's find.

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Q: Question 9

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Q: (c) Assuming the residuals are normally distributed, construct a 90% confidence interval for the…

A: (c) The regression analysis is conducted using EXCEL. The software procedure is given below: Enter…

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A: Second option is correct 3/10

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A: