Question
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.
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% 97
14-18 29% 136
29-23 11% 46
24-28 10% 42
29-33 14% 69
more than 33 24% 129
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.
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.)
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