A survey was conducted to investigate trends of romantic relationships and online behaviors. Out of 250 adults in their 20s (20 to 29), 180 reported using social media to check on an ex (someone they used to date / be in a romantic relationship with). Out of 260 adults in their 40s (40 to 49), 156 reported using social media to check on an ex. You will perform a hypothesis test to see if the data provide evidence that there is a difference between the age groups in the proportions of people who checked on an ex. Use alpha = 0.05 What is your conclusion? a. Reject H0. We do NOT have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s. b. Reject H0. We have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s. c. Do not reject H0. We do NOT have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s. d. Do not reject H0. We have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s.

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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Question

A survey was conducted to investigate trends of romantic relationships and online behaviors.

Out of 250 adults in their 20s (20 to 29), 180 reported using social media to check on an ex (someone they used to date / be in a romantic relationship with).

Out of 260 adults in their 40s (40 to 49), 156 reported using social media to check on an ex.

You will perform a hypothesis test to see if the data provide evidence that there is a difference between the age groups in the proportions of people who checked on an ex.

Use alpha = 0.05

What is your conclusion?

a. Reject H0. We do NOT have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s.

b. Reject H0. We have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s.

c. Do not reject H0. We do NOT have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s.

d. Do not reject H0. We have evidence that the proportion of people who used social media to check on an ex is different for people in their 20s and people in their 40s.

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