Solutions Statistics

USA Today reported on preferred types of office communication by different age groups. Suppose the r

Question: USA Today reported on preferred types of office communication by different age groups. 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 X	180	260	50	10	500
Generation Y	210	190	65	35	500
Boomer	205	195	65	35	500
Mature	200	195	50	55	500
Total	795	840	230	135	2000

At the .05 level of significance, is there evidence of a relationship between age group and type of communication preferred?

Complete the following:
1. State H₀.	There is NO evidence of a relationship between age group and type of communication preferred
2. State H₁.	There is evidence of a relationship between age group and type of communication preferred
3. State the value of α.	0.05
4. State the value of the test statistic.	52.66
5. State the p-value.	0.0000000339
6. State the decision in terms of H₀ and why.	Reject Ho (p < 0.05)
7. State the decision in terms of the problem.	There is evidence of a relationship between age group and type of communication preferred