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)
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)
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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