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Q6: Q6: a) omparing ng the obsérvéd v observed in this table and the expected val under independence, what can yo

Q6: Q6: a) omparing ng the obsérvéd v observed in this table and the expected val under independence, what can yo

MATLAB: An Introduction with Applications
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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Q6: a) Comparing the observed values in this table and the expected values under independence, what can you conclude about age and phone preference? Select all that apply. The table shows data about what type of phones that adults use. The respondents adults were divided into three groups depending on their age: 66 years and older, 41-65 years, and 18 -40 years of old. Smartphone Other Mobile Phone Landline Age 18-40 Age 41-65 Age 65 or older 60 30 10 40 40 20 20 30 50 People ages 18 to 40 are less likely to prefer smartphones than would be expected if age and phone preference were independent. Age and phone preference are independent. People age 66 or older are more likely to prefer smartphones than would be expected if age and phone preference were independent. People age 66 or older are less likely to prefer smartphones than would be expected if age and phone preference were independent.
Transcribed Image Text:Q6: a) Comparing the observed values in this table and the expected values under independence, what can you conclude about age and phone preference? Select all that apply. The table shows data about what type of phones that adults use. The respondents adults were divided into three groups depending on their age: 66 years and older, 41-65 years, and 18 -40 years of old. Smartphone Other Mobile Phone Landline Age 18-40 Age 41-65 Age 65 or older 60 30 10 40 40 20 20 30 50 People ages 18 to 40 are less likely to prefer smartphones than would be expected if age and phone preference were independent. Age and phone preference are independent. People age 66 or older are more likely to prefer smartphones than would be expected if age and phone preference were independent. People age 66 or older are less likely to prefer smartphones than would be expected if age and phone preference were independent.
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