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 oll the employees? Use the 0.10 significance level. Job Class Supervisor Clerical Labour Plan A 170 140 Pension Plan Plan B 118 130 100 Reject Ho if x 2[ x²- Plan C 120 120 90 a. State the decision rule. Use the 0.10 significance level. Appendix B6 (Round the final decision rule to 3 decimal places. Round the intermediate calculations and the x 2value to 2 decimal places.) Ho: Pension plan preference and job class are not related. H: Pension plan preference and job class are related.

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