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Company, Karmel Corn, ROCky tup costs are given below. Assume he population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost and sample standard deviation s. (Round your answers to four decimal places.) thousand dollars thousand dollars (b) Find a 90% confidence interval for the population average startup costs µ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars

Company, Karmel Corn, ROCky tup costs are given below. Assume he population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost and sample standard deviation s. (Round your answers to four decimal places.) thousand dollars thousand dollars (b) Find a 90% confidence interval for the population average startup costs µ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars

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 3CYU
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Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to four decimal places.) X = thousand dollars S = thousand dollars (b) Find a 90% confidence interval for the population average startup costs u for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars
Transcribed Image Text:Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to four decimal places.) X = thousand dollars S = thousand dollars (b) Find a 90% confidence interval for the population average startup costs u for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars
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