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Chi Square test: Age Group and Type of Communication

USA Today reported on preferred types of office communication by different age groups ("Talking Face to Face vs. Group Meetings," USA Today, October 13, 2003, A1). Suppose the results were based on a survey of 500 respondents in each age group. The results are cross-classified in the following table.

Type of Communication Preferred
Age Group Group Meetings Face-to-face Meetings with Individuals E-Mails Other Total
Generation Y 180 260 50 10 500
Generation X 210 190 65 35 500
Boomer 205 195 65 35 500
Mature 200 195 50 55 500
Total 795 840 230 135 2000
Source: Extracted from "Talking Face to Face vs. Group Meetings,"
USA Today, October 13, 2003, A1

At the 0.05 level of significance, is there evidence of a relationship between age group and type of communication preferred?

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Chi Square test for age group and type of communication preferred.

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