Question: Tablet personal computers such as iPad and Kindle Fire are one-piece portable computers that typically offer a touch screen. Tablets are available in different sizes

Tablet personal computers such as iPad and Kindle Fire are one-piece portable computers that typically offer a touch screen. Tablets are available in different sizes but generally offer a screen that is greater than 7 inches diagonally. Consumer Reports reviews tablets of different sizes and Internet capabilities. The battery lives, in hours, for a sample of tablets with screen sizes between 9 and 12 inches are provided in the following table.

Determine the range and sample standard deviation for each of the data sets. For the sample standard deviation, round each answer to one more decimal place than that used for the observations.

8.4 5.6 10.9 10.8 11.5 8.0 8.512.9

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