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Professor Jane Newman teaches an introductory calculus course. She wanted to test the belief that success in her course is affected by high school performance.

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Professor Jane Newman teaches an introductory calculus course. She wanted to test the belief that success in her course is affected by high school performance. She collected the randomly selected data listed below and ran an ANOVA test as shown below. The data in the "High School Record" table represents performance of the student in Jane's calculus class. Anova: Single Factor High School Record Good Fair Poor SUMMARY 90 80 60 Groups Count Sum Average Variance 86 70 60 Good 5 437 87.4 23.8 Fair 7 484 69.14285714 117.1428571 88 61 55 Poor 6 357 59.5 45.5 93 52 62 80 73 50 65 70 ANOVA 83 Source of Variation SS MS F P-value F crit Between Groups 2162.442857 2 1081.221429 15.81415676 0.000202214 3.682320344 Within Groups 1025.557143 15 68.37047619 Total 3188 17

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