Math Solutions

(All Steps) A mathematics professor claims that claims that the variance on placement tests when the students use scientific calculators will be larger

Question: A mathematics professor claims that claims that the variance on placement tests when the students use scientific calculators will be larger than the variance on placement tests when the students use graphing calculators. The data is given below. Follow the guidelines on page 568 in our textbook, and test the professor’s claim using the F-test with = 0.10.

Scientific calculator group Graphing calculator group
n 1 = 40 n 2 = 50
\[{{s}_{1}}^{2}\] = 37 \[{{s}_{2}}^{2}\] = 32

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