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program. The table below gives the amounts of weight loss, in pounds, for a random sample of 20 of its cl stributed. Complete parts (a) and (b). 20 17 8 24 11 21 25 12 12 17 13 30 is from a lower limit of to an upper limit of s as needed.) tions, explain whether a 90% confidence interval for the population mean would be wider than, narrower thar -cause the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. use the reliability factor will be larger for a 90% confidence interval than for a 98% confidence interval. use the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. ecause the confidence interval is being calculated for the same data set.

program. The table below gives the amounts of weight loss, in pounds, for a random sample of 20 of its cl stributed. Complete parts (a) and (b). 20 17 8 24 11 21 25 12 12 17 13 30 is from a lower limit of to an upper limit of s as needed.) tions, explain whether a 90% confidence interval for the population mean would be wider than, narrower thar -cause the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. use the reliability factor will be larger for a 90% confidence interval than for a 98% confidence interval. use the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. ecause the confidence interval is being calculated for the same data set.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A clinic offers a weight-loss program. The table below gives the amounts of weight loss, in pounds, for a random sample of 20 of its clients at the conclusion of the program. Assume that the data are normally distributed. Complete parts (a) and (b). 18 18 15 9 17 10 19 20 8 17 24 8 11 21 12 17 The 98% confidence interval is from a lower limit of (Round to two decimal places as needed.) 25 13 30 12 D to an upper limit of .... b. Without doing the calculations, explain whether a 90% confidence interval for the population mean would be wider than, narrower than, or the same as that found in part (a). Choose the correct answer below. OA. It will be narrower because the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. OB. It will be wider because the reliability factor will be larger for a 90% confidence interval than for a 98% confidence interval. OC. It will be wider because the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. OD. It will be the same because the confidence interval is being calculated for the same data set.
Transcribed Image Text:A clinic offers a weight-loss program. The table below gives the amounts of weight loss, in pounds, for a random sample of 20 of its clients at the conclusion of the program. Assume that the data are normally distributed. Complete parts (a) and (b). 18 18 15 9 17 10 19 20 8 17 24 8 11 21 12 17 The 98% confidence interval is from a lower limit of (Round to two decimal places as needed.) 25 13 30 12 D to an upper limit of .... b. Without doing the calculations, explain whether a 90% confidence interval for the population mean would be wider than, narrower than, or the same as that found in part (a). Choose the correct answer below. OA. It will be narrower because the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. OB. It will be wider because the reliability factor will be larger for a 90% confidence interval than for a 98% confidence interval. OC. It will be wider because the reliability factor will be smaller for a 90% confidence interval than for a 98% confidence interval. OD. It will be the same because the confidence interval is being calculated for the same data set.
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