A sample of employees at a large chemical plant was asked to indicate a preference for one of three pension plans. The results are given in the following table. Does it seem that there is a relationship between the pension plan selected and the job classification of the employees? Use the 0.02 significance level. Pension PlanJob ClassPlan APlan BPlan CSupervisor275351Clerical443355Labor535021 Click here for the Excel Data File a. State the decision rule. Use 0.02 significance level. (Round your answer to 3 decimal places.) H0: Pension plan preference and job class are not related.H1: Pension plan preference and job class are related. b. Compute the value of chi-square. (Round your answer to 3 decimal places.)

The following information has been provided: Observed Frequencies: Pension Plan Job Class Plan…

Answered: A sample of employees at a large…

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 sample of employees at a large chemical plant was asked to indicate a preference for one of three pension plans. The results are given in the following table. Does it seem that there is a relationship between the pension plan selected and the job classification of the employees? Use the 0.02 significance level.

Job Class	Plan A	Plan B	Plan C
	Pension Plan
Supervisor	27	53	51
Clerical	44	33	55
Labor	53	50	21

Click here for the Excel Data File

a. State the decision rule. Use 0.02 significance level. (Round your answer to 3 decimal places.)

H₀: Pension plan preference and job class are not related.
H₁: Pension plan preference and job class are related.

b. Compute the value of chi-square. (Round your answer to 3 decimal places.)

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