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. Percent of Customers from Snoop Report Number of Customers from Sample 88 131 49 40 77 134 Customer Age (yrs) Less than 14 14 - 18 29 - 23 24 - 28 29 - 33 More than 33 12% 29% 11% 10% 14% 24% 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?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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(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.)

What are the degrees of freedom?

 

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.
Percent of Customers from Snoop Report
Number of Customers from Sample
88
131
49
40
77
134
Customer Age (yrs)
Less than 14
14 - 18
29 - 23
24 - 28
29 - 33
More than 33
12%
29%
11%
10%
14%
24%
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?
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. Percent of Customers from Snoop Report Number of Customers from Sample 88 131 49 40 77 134 Customer Age (yrs) Less than 14 14 - 18 29 - 23 24 - 28 29 - 33 More than 33 12% 29% 11% 10% 14% 24% 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?
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