Question

The trustee of a company’s pension plan has solicited the opinions of a sample of the company’s employee about a proposed revision of the plan. A breakdown of the responses is shown in the accompanying table. Is there enough evidence at 5% significance level to infer that the responses differ among three groups of employee?





Responses

Blue-Collar Workers

White-Collar Workers

Managers

For

67

32

11

Against

63

18

9

Answer 1

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