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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.

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
Section10.5: Comparing Sets Of Data
Problem 1GP
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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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