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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

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

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
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Transcribed Image Text:D2 23AECENAS6789 10 11 12 13 14 15 16 17 18 File 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 24 Home A Dollars Spent 15 72 26 66 32 39 31 47 55 15 15 96 45 33 64 24 B Insert x ✓ fx Data Arial Part a Mean Draw Part b Standard Deviation ✓ 10 Page Layout Part c Degrees of Freedom + с Lower Limit Critical Chi-square Upper Limit Critical Chi-square Calculation Mode: Automatic Workbook Statistics v The 95% confidence interval C.I.Lower Limit C.I.Upper Limit B Formulas Data Αν Α D Review E View Help V Formula ab F #N/A #N/A #N/A #N/A #N/A #N/A #N/A Number A H ←0 .00 .00 →.0 I ▬▬▬▬▬ | J Loading Add-ins K L Editing Σ v p M Give Feedback to Microsoft Comments O N V O 100% +
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. X 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)? $ <o<$ Check My Work Reset Problem
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. X 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)? $ <o<$ Check My Work Reset Problem
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