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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 tem- perature range was taken from Backpacker Magazine: Gear Guide (Vol. 25, Issue 157, No. 2). Brand names include American Camper, Cabela's, Camp 7, Caribou, Cascade, and Coleman. 80 90 100 120 75 37 30 23 100 110 105 95 105 60 110 120 95 90 60 70 (a) Use a calculator with mean and sample standard deviation keys to verify that x $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) Interpretation What does the confidence interval mean in the context of this problem? a) Yes or No? b) Interval: c) We are is between to % confident that the to

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 tem- perature range was taken from Backpacker Magazine: Gear Guide (Vol. 25, Issue 157, No. 2). Brand names include American Camper, Cabela's, Camp 7, Caribou, Cascade, and Coleman. 80 90 100 120 75 37 30 23 100 110 105 95 105 60 110 120 95 90 60 70 (a) Use a calculator with mean and sample standard deviation keys to verify that x $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) Interpretation What does the confidence interval mean in the context of this problem? a) Yes or No? b) Interval: c) We are is between to % confident that the to

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 tem- perature range was taken from Backpacker Magazine: Gear Guide (Vol. 25, Issue 157, No. 2). Brand names include American Camper, Cabela's, Camp 7, Caribou, Cascade, and Coleman. 80 90 100 120 75 37 30 23 100 110 105 95 105 60 110 120 95 90 60 70 (a) Use a calculator with mean and sample standard deviation keys to verify that x $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) Interpretation What does the confidence interval mean in the context of this problem? a) Yes or No? b) Interval: c) We are is between to % confident that the. to 16. Franchise: Candy Page Do2you w:2t to cwn y Or ov candy store? With and a decent tredit rating. u/0/h est in ruaning busines DII %23 2$4 & 3 4 5 7 8 e d f g h
Transcribed Image Text:14. Camping: Cost of a Sleeping Bag How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this tem- perature range was taken from Backpacker Magazine: Gear Guide (Vol. 25, Issue 157, No. 2). Brand names include American Camper, Cabela's, Camp 7, Caribou, Cascade, and Coleman. 80 90 100 120 75 37 30 23 100 110 105 95 105 60 110 120 95 90 60 70 (a) Use a calculator with mean and sample standard deviation keys to verify that x $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) Interpretation What does the confidence interval mean in the context of this problem? a) Yes or No? b) Interval: c) We are is between to % confident that the. to 16. Franchise: Candy Page Do2you w:2t to cwn y Or ov candy store? With and a decent tredit rating. u/0/h est in ruaning busines DII %23 2$4 & 3 4 5 7 8 e d f g h
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