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Q30. Sample mean-11.399 Standard Dev. =13.309 n=991 PE- 11.399 TS-85% CI Alpha= 0.15 Alpha/2=0.075 DF=991-1=990 t-D1.441 SE- 13.309/ sqrt. 991-0.423 ME= 1.441 (0.423) = 0.609543 CI(11.399-1.441 x 13.309/sqrt. 991, 11.399+1.441 x 13.309/sqrt. 991) (10.790, 12.008) 10.790 <µ< 12.008 We are 85% confident that the true mean is contained by the interval.

Q30. Sample mean-11.399 Standard Dev. =13.309 n=991 PE- 11.399 TS-85% CI Alpha= 0.15 Alpha/2=0.075 DF=991-1=990 t-D1.441 SE- 13.309/ sqrt. 991-0.423 ME= 1.441 (0.423) = 0.609543 CI(11.399-1.441 x 13.309/sqrt. 991, 11.399+1.441 x 13.309/sqrt. 991) (10.790, 12.008) 10.790 <µ< 12.008 We are 85% confident that the true mean is contained by the interval.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Would this be the correct 85% confidence interval?
Q30. Sample mean-11.399 Standard Dev. = 13.309 n-991 PE- 11.399 TS-85% CI Alpha= 0.15 Alpha/2=0.075 DF= 991-1-990 t-1.441 SE- 13.309/ sqrt. 991-0.423 ME= 1.441 (0.423) = 0.609543 CI(11.399-1.441 x 13.309/sqrt. 991, 11.399+1.441 x 13.309/sqrt. 991) (10.790, 12.008) 10.790 <µ<12.008 We are 85% confident that the true mean is contained by the interval.
Transcribed Image Text:Q30. Sample mean-11.399 Standard Dev. = 13.309 n-991 PE- 11.399 TS-85% CI Alpha= 0.15 Alpha/2=0.075 DF= 991-1-990 t-1.441 SE- 13.309/ sqrt. 991-0.423 ME= 1.441 (0.423) = 0.609543 CI(11.399-1.441 x 13.309/sqrt. 991, 11.399+1.441 x 13.309/sqrt. 991) (10.790, 12.008) 10.790 <µ<12.008 We are 85% confident that the true mean is contained by the interval.
30. Construct a 85% confidence interval around the sample mean of the decrease in diastolic pressure reading of those who took the drug. Show your n, PE, t, SE, ME and interval. Discuss the interpretation of the Confidence Interval.
Transcribed Image Text:30. Construct a 85% confidence interval around the sample mean of the decrease in diastolic pressure reading of those who took the drug. Show your n, PE, t, SE, ME and interval. Discuss the interpretation of the Confidence Interval.
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