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Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study the age distribution of people who stream music. To check the Snoop report, Rollum used a random sample of 519 customers and obtained the following data. Customer Age (yrs) Percent of Customers from Snoop Report Number of Customers from Sample Less than 14 12% 98 14 - 18 19 - 23 24 - 28 29 - 33 More than 33 29% 132 11% 10% 49 39 14% 69 24% 132 A USE SALT Using a 1% level of significance, test the claim that the distribution of customer ages in the Snoop report agrees with that of the sample report. (a) What is the level of significance?

Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study the age distribution of people who stream music. To check the Snoop report, Rollum used a random sample of 519 customers and obtained the following data. Customer Age (yrs) Percent of Customers from Snoop Report Number of Customers from Sample Less than 14 12% 98 14 - 18 19 - 23 24 - 28 29 - 33 More than 33 29% 132 11% 10% 49 39 14% 69 24% 132 A USE SALT Using a 1% level of significance, test the claim that the distribution of customer ages in the Snoop report agrees with that of the sample report. (a) What is the level of significance?

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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Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study the age distribution of people who stream music. To check the Snoop report, Rollum used a random sample of 519 customers and obtained the following data. Customer Age Percent of Customers from Snoop Report 12% Number of Customers from (yrs) Sample Less than 14 98 14 - 18 19 - 23 24 - 28 29 - 33 29% 132 49 39 11% 10% 14% 69 More than 33 24% 132 n USE SALT Using a 1% level of significance, test the claim that the distribution of customer ages in the Snoop report agrees with that of the sample report. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: The distributions are different. H,: The distributions are different. O Họ: The distributions are the same. H,: The distributions are the same. O Ho: The distributions are the same. H,: The distributions are different, O Ho: The distributions are different. H: The distributions are the same. (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) Are all the expected frequencies greater than 5? O Yes O No What sampling distribution will you use? O Student's t O uniform O normal O chi-square What are the degrees of freedom?
Transcribed Image Text:Snoop Incorporated is a firm that does market surveys. The Rollum Sound Company hired Snoop to study the age distribution of people who stream music. To check the Snoop report, Rollum used a random sample of 519 customers and obtained the following data. Customer Age Percent of Customers from Snoop Report 12% Number of Customers from (yrs) Sample Less than 14 98 14 - 18 19 - 23 24 - 28 29 - 33 29% 132 49 39 11% 10% 14% 69 More than 33 24% 132 n USE SALT Using a 1% level of significance, test the claim that the distribution of customer ages in the Snoop report agrees with that of the sample report. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: The distributions are different. H,: The distributions are different. O Họ: The distributions are the same. H,: The distributions are the same. O Ho: The distributions are the same. H,: The distributions are different, O Ho: The distributions are different. H: The distributions are the same. (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) Are all the expected frequencies greater than 5? O Yes O No What sampling distribution will you use? O Student's t O uniform O normal O chi-square What are the degrees of freedom?
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