Xenical is used to treat obesity in people with risk factors such as diabetes, high blood pressure, and high cholesterol or triglycerides. Xenical works in the intestines, where it blocks some of the fat a person eats from being absorbed. A standard prescription of Xenical is given in 110-milligram (mg) capsules. Although the capsule weights can vary somewhat from 110 mg and also from each other, keeping the variation small is important for various medical reasons. A sample of 26 Xenical capsules had the weight shown in the table below: 109.9 110.1 109.9| 109.7 110.1 109.7 110.2 110.1 110 110 110.2 110 109.9 110.1 109.9 110.1 109.9 109.9 109.9 110.1 110 109.9 109.9 110 110.1 110.3 The mean of the data set is 110; the sample standard deviation is 0.143. Assuming that the population is normal, construct a 95% confidence interval for the variance of all Xenical capsule weights. i. Procedure: One variance x procedure v ii. Assumptions: (select everything that applies) Population standard deviation is unknown | Simple random sample Population standard deviation is known | Sample size is greater than 30 | The number of positive and negative responses are both greater than 10 |Normal population iii. Unknown parameter: o, population variance Part 2 of 5 iv. Point estimate: Select an answer (Round the answer to 3 decimal places) v. Confidence level % and a = also and 1 2 o Critical values: (Round the answer to 3 decimal places) right= 2 • left=
Xenical is used to treat obesity in people with risk factors such as diabetes, high blood pressure, and high cholesterol or triglycerides. Xenical works in the intestines, where it blocks some of the fat a person eats from being absorbed. A standard prescription of Xenical is given in 110-milligram (mg) capsules. Although the capsule weights can vary somewhat from 110 mg and also from each other, keeping the variation small is important for various medical reasons. A sample of 26 Xenical capsules had the weight shown in the table below: 109.9 110.1 109.9| 109.7 110.1 109.7 110.2 110.1 110 110 110.2 110 109.9 110.1 109.9 110.1 109.9 109.9 109.9 110.1 110 109.9 109.9 110 110.1 110.3 The mean of the data set is 110; the sample standard deviation is 0.143. Assuming that the population is normal, construct a 95% confidence interval for the variance of all Xenical capsule weights. i. Procedure: One variance x procedure v ii. Assumptions: (select everything that applies) Population standard deviation is unknown | Simple random sample Population standard deviation is known | Sample size is greater than 30 | The number of positive and negative responses are both greater than 10 |Normal population iii. Unknown parameter: o, population variance Part 2 of 5 iv. Point estimate: Select an answer (Round the answer to 3 decimal places) v. Confidence level % and a = also and 1 2 o Critical values: (Round the answer to 3 decimal places) right= 2 • left=
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 11P
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Transcribed Image Text:Xenical is used to treat obesity in people with risk factors such as diabetes, high blood pressure, and high
cholesterol or triglycerides. Xenical works in the intestines, where it blocks some of the fat a person eats
from being absorbed. A standard prescription of Xenical is given in 110-milligram (mg) capsules. Although
the capsule weights can vary somewhat from 110 mg and also from each other, keeping the variation small
is important for various medical reasons. A sample of 26 Xenical capsules had the weight shown in the table
below:
109.9
110.1
109.9
109.7
110.1
109.7
110.2
110.1
110
110
110.2
110
109.9
110.1
109.9
110.1
109.9
109.9
109.9
110.1
110
109.9
109.9
110
110.1
110.3
The mean of the data set is 110; the sample standard deviation is 0.143. Assuming that the population is
normal, construct a 95% confidence interval for the variance of all Xenical capsule weights.
i. Procedure: One variance x procedure
ii. Assumptions: (select everything that applies)
Population standard deviation is unknown
Simple random sample
Population standard deviation is known
| Sample size is greater than 30
The number of positive and negative responses are both greater than 10
Normal population
iii. Unknown parameter: 0, population variance v
Part 2 of 5
iv. Point estimate: Select an answer
(Round the answer to 3 decimal places)
v. Confidence level
% and a =
also
and 1
2
o Critical values: (Round the answer to 3 decimal places)
1 left=
right=
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