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The following data show the number of hours per day 12 adults spend in front of screens watching television-related content: 1.3 , 4.9, 4.2, 4.8,

The following data show the number of hours per day 12 adults spend in front of screens watching television-related content:

1.3 , 4.9, 4.2, 4.8, 7.6, 6.9, 5.4, 2.2, 5.3, 1.8, 2.4, 8.3

a) construct a 95% confidence interval to estimate the average number of hours per day adults spend in front of screens watching television-related content:

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