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Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are contained in the Excel Online file below. Construct a spreadsheet Open spreadsheet a. What is the point estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals)? $ Soss o answer the following questions.

Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are contained in the Excel Online file below. Construct a spreadsheet Open spreadsheet a. What is the point estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals)? $ Soss o answer the following questions.

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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Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Open spreadsheet a. What is the point estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals)? $ |≤0 ≤ $
Transcribed Image Text:Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Open spreadsheet a. What is the point estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals)? $ |≤0 ≤ $
1 2 345678SARGS 9 10 11 12 13 14 15 16 17 18 19 20 A Dollars Spent 11 68 25 64 31 36 34 47 55 16 11 96 44 31 65 26 B Part a Mean Part b Standard Deviation Part c Degrees of Freedom Lower Limit Critical Chi-square Upper Limit Critical Chi-square The 95% confidence interval C.I.Lower Limit C.I.Upper Limit D E Formula F #N/A #N/A #N/A #N/A #N/A #N/A #N/A G
Transcribed Image Text:1 2 345678SARGS 9 10 11 12 13 14 15 16 17 18 19 20 A Dollars Spent 11 68 25 64 31 36 34 47 55 16 11 96 44 31 65 26 B Part a Mean Part b Standard Deviation Part c Degrees of Freedom Lower Limit Critical Chi-square Upper Limit Critical Chi-square The 95% confidence interval C.I.Lower Limit C.I.Upper Limit D E Formula F #N/A #N/A #N/A #N/A #N/A #N/A #N/A G
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