To a study the effectiveness of an interactive e-book, aresearcher gave 20 students a pre-test, had them studyfrom the e-book, and then gave them a post-test. Thetable below summarizes the data she collected.The researcher conducted a hypothesis test to see if usingthe e book would produce a significant increase in meanscore. What P-value did she find?A) 0.028 B) 0.087 C) 0.091D) 0.094 E) 0.102 Pre-test Post-test Post-test – pre-testMean 78.9 81.4 2.5Standard deviation 6.1 5.5 8.5

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