Conduct a Test to Determine Whether the Two Classifications a and B

question 6

Essay

Conduct a test to determine whether the two classifications A and B are independent,using the data in the accompanying table and $\alpha$ = .05.
$$\begin{array} { | l | l l l | } \hline & \boldsymbol { B } _ { 1 } & \boldsymbol { B } _ { \mathbf { 2 } } & \boldsymbol { B } _ { \mathbf { 3 } } \\\hline A _ { 1 } & 35 & 25 & 20 \\A _ { 7 } & 25 & 20 & 25 \\\hline\end{array}$$

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