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https://www.mathxl.com/Student/PlayerTestaspx?testld-1 Quiz: Chapter 7 Review Qu

ID: 3263822 • Letter: H

Question

https://www.mathxl.com/Student/PlayerTestaspx?testld-1 Quiz: Chapter 7 Review Quiz Time Remaining: 02-1246 Submit Quiz This Question: 1 pt This Quiz: 17 pts The statistics of n i 22 and S-14 3 result in this 95% contdence interval estimate of. 110 e. 20 4 That confidence interval can also be expressed as (110, 204) Given tat 1574.7 results in values of 110 and 20.4, can the confidence interval be expressed as 157±4 7 as well? Choose the correct answer below 0 A Yes. In general, a confidence interval for has s at the center. O B. Yes Since the chi-square distribution is symmetric, a confidence interval for a can be expressed as 157:47 C. No. The format implies thats 15 7, but s is given as 14 3. in general, a confidence interval for does not have s at the center O D. Not enough information

Explanation / Answer

The correct option is C

Explanation:

We cannot express the confidence interval as 15+4.7 because while the given expression yields the same endpoints given in (11.0,20.4), it falsely implies the point