In its ninth year, the Barclaycard Business Travel Survey has become an information source for business travelers not only in the United Kingdom but internationally as well. Each year, as a result of the research, Barclaycard Business has been able to predict and comment on trends within the business travel industry. One question asked in two consecutive years was, €œHave you considered reducing hours spent away from home to increase quality of life?€ The following table represents the responses:

a. Determine if the response to the survey question was independent of the year in which the question was asked. Use a significance level of 0.05.
b. Determine if there is a significant difference between the proportion of travelers who say they have reduced hours spent away from home between the two years.

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Total 400 384 784 400 300 700 Year Year 2 Yes -have reduced Yes not been able to No not certain Total 400 51696 1200 1200 2400