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A video game company studied the time teens spent playing video games each night by surveying 1,500 teenagers. The mean time spent playing games was 115 minutes, with a standard deviation of 11 minutes. Which would decrease the margin of error for this study? (Note: margin of error = 2 where s is the sample standard deviation and n is the sample size.) O A. changing the sample size from 1,500 teenagers to 1,250 teenagers O B. changing the sample size from 1,500 teenagers to 1,750 teenagers C. changing the population to include ages 13 to 29 O D. changing the population to include ages 13 to 16

A video game company studied the time teens spent playing video games each night by surveying 1,500 teenagers. The mean time spent playing games was 115 minutes, with a standard deviation of 11 minutes. Which would decrease the margin of error for this study? (Note: margin of error = 2 where s is the sample standard deviation and n is the sample size.) O A. changing the sample size from 1,500 teenagers to 1,250 teenagers O B. changing the sample size from 1,500 teenagers to 1,750 teenagers C. changing the population to include ages 13 to 29 O D. changing the population to include ages 13 to 16

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
Section10.4: Distributions Of Data
Problem 19PFA
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A video game company studied the time teens spent playing video games each night by surveying 1,500 teenagers. The mean time spent playing games was 115 minutes, with a standard deviation of 11 minutes. Which would decrease the margin of error for this study? (Note: margin of error a 2 Vn where s is the sample standard deviation and n is the sample size.) A. changing the sample size from 1,500 teenagers to 1,250 teenagers B. changing the sample size from 1,500 teenagers to 1,750 teenagers C. changing the population to include ages 13 to 29 D. changing the population to include ages 13 to 16
Transcribed Image Text:A video game company studied the time teens spent playing video games each night by surveying 1,500 teenagers. The mean time spent playing games was 115 minutes, with a standard deviation of 11 minutes. Which would decrease the margin of error for this study? (Note: margin of error a 2 Vn where s is the sample standard deviation and n is the sample size.) A. changing the sample size from 1,500 teenagers to 1,250 teenagers B. changing the sample size from 1,500 teenagers to 1,750 teenagers C. changing the population to include ages 13 to 29 D. changing the population to include ages 13 to 16
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