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(Solved): Q13. A sample of 148 college students reports sleeping an average of 6.85 hours on weeknights, with ...

Q13. A sample of 148 college students reports sleeping an average of 6.85 hours on weeknights, with a standard error of 0.175 hours for a confidence level. 1) Which choice leads to a confidence interval estimate of the average sleep amount all college students get on weeknights using the rule? (A) (B) (C) (D) 2) Which choice leads to a confidence interval estimate of the average sleep amount all college students get on weeknights using a value from an appropriate t-distribution? (A) (B) (C) (D) 3) Is 7.1 hours a plausible value for the average sleep amount all college students get on weeknights, based on the use of the -distribution method from above? (A) Yes, 7.1 hours is plausible. (B) No, 7.1 hours is not plausible.

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