Twenty university students chosen at random from students enrolled at Carthage College took part in an experiment testing the effect of watching ABC News versus CNN on knowledge of world events. The 20 participants were divided randomly into two equal groups of 10 students each. One group was assigned to watch ABC and the other was assigned to watch CNN. Participants then watched their assigned station (ABC or CNN) for 3 hours a night for 4 weeks. At the end of the 4 week period they were administered a test of world knowledge. The results were as follows:XbarABC = 104; sABC = 12XbarCNN = 99; sCNN = 10Compute the 95% confidence interval around the difference between the two groups.

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Description: Twenty university students chosen at random from students enrolled at Carthage College took part in an experiment testing the effect of watching ABC News versus CNN on knowledge of world events. The 20 participants were divided randomly into two equa

We need to construct the 95% confidence interval for the difference between the population meansμ1 -…

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MATLAB: An Introduction with Applications

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Author:Amos Gilat

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Twenty university students chosen at random from students enrolled at Carthage College took part in an experiment testing the effect of watching ABC News versus CNN on knowledge of world events. The 20 participants were divided randomly into two equal groups of 10 students each. One group was assigned to watch ABC and the other was assigned to watch CNN. Participants then watched their assigned station (ABC or CNN) for 3 hours a night for 4 weeks. At the end of the 4 week period they were administered a test of world knowledge. The results were as follows:

_XbarABC = 104; s_ABC = 12

_XbarCNN = 99; s_CNN = 10

Compute the 95% confidence interval around the difference between the two groups.

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