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The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers (and use an incentive of $50 worth of downloads to guarantee 20 33 34 28 30 0 a high response rate) asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages are shown to the right. Complete parts a) through c). 31 31 13 28 11 37 23 44 48 26 25 23 32 36 32 35 43 44 44 48 a) Standardize the minimum and maximum ages using a mean of 31.96 and a standard deviation of 9.897. The z-score for the minimum age is and the z-score for the maximum age is (Round to three decimal places as needed.) b) Which has the more extreme z-score, the min or the max? The min z-score is more extreme. c) How old would someone with a z-score of 3 be? Someone with a z-score of 3 would be years old. (Round to three decimal places as needed.)

The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers (and use an incentive of $50 worth of downloads to guarantee 20 33 34 28 30 0 a high response rate) asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages are shown to the right. Complete parts a) through c). 31 31 13 28 11 37 23 44 48 26 25 23 32 36 32 35 43 44 44 48 a) Standardize the minimum and maximum ages using a mean of 31.96 and a standard deviation of 9.897. The z-score for the minimum age is and the z-score for the maximum age is (Round to three decimal places as needed.) b) Which has the more extreme z-score, the min or the max? The min z-score is more extreme. c) How old would someone with a z-score of 3 be? Someone with a z-score of 3 would be years old. (Round to three decimal places as needed.)

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
Section10.6: Summarizing Categorical Data
Problem 25PPS
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The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers (and use an incentive of $50 worth of downloads to guarantee 20 33 34 28 30 D a high response rate) asking for demographic information. One of the variables the customer's age. For the 25 customers, the ages are shown to the right. Complete parts a) through c). 31 31 13 28 11 37 23 44 48 26 25 23 32 36 32 35 43 44 44 48 a) Standardize the minimum and maximum ages using a mean of 31.96 and a standard deviation of 9.897. The z-score for the minimum age is and the z-score for the maximum age is (Round to three decimal places as needed.) b) Which has the more extreme z-score, the min or the max? The min z-score is more extreme. c) How old would someone with a z-score of 3 be? Someone with a z-score of 3 would be years old. (Round to three decimal places as needed.)
Transcribed Image Text:The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers (and use an incentive of $50 worth of downloads to guarantee 20 33 34 28 30 D a high response rate) asking for demographic information. One of the variables the customer's age. For the 25 customers, the ages are shown to the right. Complete parts a) through c). 31 31 13 28 11 37 23 44 48 26 25 23 32 36 32 35 43 44 44 48 a) Standardize the minimum and maximum ages using a mean of 31.96 and a standard deviation of 9.897. The z-score for the minimum age is and the z-score for the maximum age is (Round to three decimal places as needed.) b) Which has the more extreme z-score, the min or the max? The min z-score is more extreme. c) How old would someone with a z-score of 3 be? Someone with a z-score of 3 would be years old. (Round to three decimal places as needed.)
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