In 2018, Mike Krzyewski and John Calipari topped the list of highest paid college basketball coaches (Sports Illustrated website). The following sample shows the head basketball coach's salary for a sample of 10 schools playing NCAA Division I basketball. Salary data are in millions of dollars. Excel File: data11-05.xlsx ETET University Coach's Salary University Coach's Salary North Carolina State 2.2 Miami (FL) 1.5 Iona 0.5 Creighton 1.3 Texas A&M 2.4 Texas Tech 1.5 Oregon 2.7 South Dakota State 0.3 Iowa State 2.0 New Mexico State 0.3 a. Use the sample mean for the 10 schools to estimate the population mean annual salary for head basketball coaches at colleges and universities playing NCAA Division I basketball (to 2 decimals). million b. Use the data to estimate the population standard deviation for the annual salary for head basketball coaches (to 4 decimals). million c. What is the 95% confidence interval for the population variance (to 2 decimals)? Use Table 11.1. ($ million, $ million) d. What is the 95% confidence interval for the population standard deviation (to 2 decimals)? Use Table 11.1. ($ million, $ million)
In 2018, Mike Krzyewski and John Calipari topped the list of highest paid college basketball coaches (Sports Illustrated website). The following sample shows the head basketball coach's salary for a sample of 10 schools playing NCAA Division I basketball. Salary data are in millions of dollars. Excel File: data11-05.xlsx ETET University Coach's Salary University Coach's Salary North Carolina State 2.2 Miami (FL) 1.5 Iona 0.5 Creighton 1.3 Texas A&M 2.4 Texas Tech 1.5 Oregon 2.7 South Dakota State 0.3 Iowa State 2.0 New Mexico State 0.3 a. Use the sample mean for the 10 schools to estimate the population mean annual salary for head basketball coaches at colleges and universities playing NCAA Division I basketball (to 2 decimals). million b. Use the data to estimate the population standard deviation for the annual salary for head basketball coaches (to 4 decimals). million c. What is the 95% confidence interval for the population variance (to 2 decimals)? Use Table 11.1. ($ million, $ million) d. What is the 95% confidence interval for the population standard deviation (to 2 decimals)? Use Table 11.1. ($ million, $ million)
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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Transcribed Image Text:In 2018, Mike Krzyewski and John Calipari topped the list of highest paid college basketball coaches (Sports Illustrated website). The following sample shows the head basketball coach's salary for a sample of 10 schools playing NCAA
Division I basketball. Salary data are in millions of dollars.
Excel File: data11-05.xlsx
University
Coach's Salary
University
Coach's Salary
North Carolina State
2.2
Miami (FL)
1.5
Iona
0.5
Creighton
1.3
Texas A&M
2.4
Texas Tech
1.5
Oregon
2.7
South Dakota State
0.3
Iowa State
2.0
New Mexico State
0.3
a. Use the sample mean for the 10 schools to estimate the population mean annual salary for head basketball coaches at colleges and universities playing NCAA Division I basketball (to 2 decimals).
million
b. Use the data to estimate the population standard deviation for the annual salary for head basketball coaches (to 4 decimals).
million
c. What is the 95% confidence interval for the population variance (to 2 decimals)? Use Table 11.1.
($
million, $
million)
d. What is the 95% confidence interval for the population standard deviation (to 2 decimals)? Use Table 11.1.
($
million, $
million)
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