A survey of 1000 adult Internet users found that 55% of 18-to 24- year –olds, 60% of 25-to 34- year –olds, 64% of 35-to 49- year –olds, 78% of 50 – to- 64 year-olds, and 85% of 65 – to- 89-year-olds opposed online ads tailored to their individual interests. Supposed the survey was based on 200 respondents in each of the five age groups. Construct the contingency table based on the information given. Compute the expected frequencies for each cell. Compute. Is there evidence of a significance difference among the age groups with respect to the proportion who preferred to use media social as the medium of communication? (Use α=0.01)

Name: A survey of 1000 adult Internet users found that 55% of 18-to 24- year
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Description: A survey of 1000 adult Internet users found that 55% of 18-to 24- year –olds, 60% of 25-to 34- year –olds, 64% of 35-to 49- year –olds, 78% of 50 – to- 64 year-olds, and 85% of 65 – to- 89-year-olds opposed online ads tailored to their individual int

Contingency table Opposed Online ads at age group 18-24 = 55% of 200 = 110 Not Opposed Online Ads…

Answered: A survey of 1000 adult Internet users…

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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A survey of 1000 adult Internet users found that 55% of 18-to 24- year –olds, 60% of 25-to 34- year –olds, 64% of 35-to 49- year –olds, 78% of 50 – to- 64 year-olds, and 85% of 65 – to- 89-year-olds opposed online ads tailored to their individual interests. Supposed the survey was based on 200 respondents in each of the five age groups.

Construct the contingency table based on the information given.
Compute the expected frequencies for each cell.

Compute. Is there evidence of a significance difference among the age groups with respect to the proportion who preferred to use media social as the medium of communication? (Use α=0.01)

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