get the percent distribution of the two schools:
16 17Use Chi^2 to test if the distribution are the same.
Num Categories: 7
Degrees of freedom: 6
Test Statistic, X^2: 3.6270
Critical X^2: 12.59157
P-Value: 0.7270This was done using StatDisk. I treated 1st col as the observed frequency and the second as the expected frequency
Conclusion: Fail to reject the hypothesis that the buying of products are independent from the school.
Sorry,need to revise.Construct a 2 x 7 contingency table of observed and expected frequencies:
Content will be erased after question is completed.