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14 Camping: Cost of a Sleeping Bag How much does a sleeping rant a sleeping bag that should keep you warm in temperatures from ample of prices ($) for sleeping bags in this temperature range was 80 90 100 120 75 37 30 105 95 105 60 110 120 95

14 Camping: Cost of a Sleeping Bag How much does a sleeping rant a sleeping bag that should keep you warm in temperatures from ample of prices ($) for sleeping bags in this temperature range was 80 90 100 120 75 37 30 105 95 105 60 110 120 95

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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#14 Camping: Cost of a Sleeping Bag How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range was taken and given below. 80 105 90 95 23 90 100 70 100 120 75 110 37 30 100 105 60 120 95 60 (a) Use a calculator with mean and sample standard deviation keys to verify that = $83.75 and s = $28.97. (b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean price u of all summer sleeping bags. (c) What does the confidence interval mean in the context of this problem?
Transcribed Image Text:#14 Camping: Cost of a Sleeping Bag How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range was taken and given below. 80 105 90 95 23 90 100 70 100 120 75 110 37 30 100 105 60 120 95 60 (a) Use a calculator with mean and sample standard deviation keys to verify that = $83.75 and s = $28.97. (b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean price u of all summer sleeping bags. (c) What does the confidence interval mean in the context of this problem?
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