Answered: Volunteers at a teen hotline have been…

Name: Volunteers at a teen hotline have been assigned based on the assumptio
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Volunteers at a teen hotline have been assigned based on the assumption that 40% of all calls are drug-related, 25% are sex-related, 25% are stress-related, and 10% concern educational issues. For this investigation, each call is classified into one

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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Volunteers at a teen hotline have been assigned based on the assumption that 40% of all calls are drug-related, 25% are sex-related, 25% are stress-related, and 10% concern educational issues. For this investigation, each call is classified into one category based on the primary issue raised by the caller. To test the hypothesis, the following data are collected from 120 randomly selected calls placed on the teen hotline. Based on the data, is the assumption regarding the distribution of topic issues appropriate? Use alpha=.05. Give each of the following to receive full credit: 2) the appropriate test; 4) the calculation of the test statistic, and 5) your conclusion including a comparison to alpha or the critical value.

	Drugs	Sex	Stress	Education
# of calls	50	37	25	8

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