Use a ?² Test to Test the Claim That in the Given

Essay

Use a ?² test to test the claim that in the given contingency table, the row variable and the column variable are independent
-The table below shows the age and favorite type of music of 668 randomly selected people. $$\begin{array} { l | r r r } & \text { Rock } & \text { Pop } & \text { Classical } \\\hline 15 - 25 & 50 & 85 & 73 \\25 - 35 & 68 & 91 & 60 \\35 - 45 & 90 & 74 & 77\end{array}$$ Use a 5 percent level of significance to test the null hypothesis that age and preferred music type are independent.