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1. A group of 10 surgery patients had a mean weight of 240 pounds with a sample standard deviation of 25 pounds. Find a confidence interval for a sample for the true mean weight of all surgery patients with a 95% confidence level. a. Based from the situation, what are the given values? * O n=10; Mean =240; SD=25; C=9.5% O n=10; Mean =25; SD=240; C=95% O n=25; Mean =240; SD=10; C=95% O n=10; Mean =240; SD=25; C=95%

1. A group of 10 surgery patients had a mean weight of 240 pounds with a sample standard deviation of 25 pounds. Find a confidence interval for a sample for the true mean weight of all surgery patients with a 95% confidence level. a. Based from the situation, what are the given values? * O n=10; Mean =240; SD=25; C=9.5% O n=10; Mean =25; SD=240; C=95% O n=25; Mean =240; SD=10; C=95% O n=10; Mean =240; SD=25; C=95%

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
Section10.4: Distributions Of Data
Problem 19PFA
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1. A group of 10 surgery patients had a mean weight of 240 pounds with a sample standard deviation of 25 pounds. Find a confidence interval for a sample for the true mean weight of all surgery patients with a 95% confidence level. a. Based from the situation, what are the given values? * O n=10; Mean =240; SD=25; C=9.5% O n=10; Mean =25; SD=240; C=95% O n=25; Mean =240; SD=10; C=95% O n=10; Mean =240; SD=25; C=95% b. Based from the given data, what are the t critical values from the t- table? O +/- 2.228 O +/- 2.226 O +/- 2.262 O +/- 2.282
Transcribed Image Text:1. A group of 10 surgery patients had a mean weight of 240 pounds with a sample standard deviation of 25 pounds. Find a confidence interval for a sample for the true mean weight of all surgery patients with a 95% confidence level. a. Based from the situation, what are the given values? * O n=10; Mean =240; SD=25; C=9.5% O n=10; Mean =25; SD=240; C=95% O n=25; Mean =240; SD=10; C=95% O n=10; Mean =240; SD=25; C=95% b. Based from the given data, what are the t critical values from the t- table? O +/- 2.228 O +/- 2.226 O +/- 2.262 O +/- 2.282
Based on the analysis, there is a 95% certainty that the true mean weight of all surgery patients is (c.) to (d.) pounds. c. What is the LOWER LIMIT of the interval estimate? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) * Your swer d. What is the UPPER LIMIT of the interval estimate? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) * Your answer
Transcribed Image Text:Based on the analysis, there is a 95% certainty that the true mean weight of all surgery patients is (c.) to (d.) pounds. c. What is the LOWER LIMIT of the interval estimate? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) * Your swer d. What is the UPPER LIMIT of the interval estimate? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) * Your answer
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