The HR manager of a major office supply chain is interested in determining whether employee educational level affects knowledge of their job. An exam was given to 120 employees. The results are below.
Test the null hypothesis that score is independent of education level at α = .01.

Question

The HR manager of a major office supply chain is interested in determining whether employee educational level affects knowledge of their job. An exam was given to 120 employees. The results are below.
  Test the null hypothesis that score is independent of education level at α = .01.

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The Answer of The HR manager of a major office supply chain is interested in determining whether employee educational level affects knowledge of their job. An exam was given to 120 employees. The results are below.
  Test the null hypothesis that score is independent of education level at α = .01.

The HR Manager of a Major Office Supply Chain Is