A survey performed by Simmons Market Research investigated the percentage of individuals in various age groups who indicated they were willing to pay more for environmentally friendly products. The results were presented in USA Today €œSnapshots.€ The survey had approximately 3,240 respondents in each age group. Results of the survey follow:

Conduct a goodness-of-fit test analysis to determine if the proportions of individuals willing to pay more for environmentally friendly products in the various age groups are equal. Use a significance level of 0.01.

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Age Group 8 24 25 34 35 44 45-54 55 64 65 and over Percentagel 19 17 I9 20 4