Question: Two rival book companies offer a special discount deal to a college for textbooks in math and science. Since the discount is the same and the quality of books appears to be the same, the manager of the book store has to make a decision. She conducts a random sampling of prices of math and science books from both companies. Below are the results. At the 5% level of risk, what should she decide? Complete the test.

Company ABC Company XYZ

\[{{\bar{X}}_{1}}=\\(260\] \[{{\bar{X}}_{2}}=\\(230\]

\[{{s}_{1}}\] = $4 \[{{s}_{2}}\] = $50

\[{{n}_{1}}\] = 36 \[{{n}_{2}}\] = 36

Price: $2.99

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