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The data below shows the sugar content in grams of several brands of? children's and? adults'...

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Basic Math

The data below shows the sugar content in grams of severalbrands of? children's and? adults' cereals. Create and interpret a?95% confidence interval for the difference in the mean sugar?content, ?C??A. Be sure to check the necessary assumptions andconditions.? (Note: Do not assume that the variances of the twodata sets are? equal.)

Children's cereal:

40.2, 59.4, 47.3, 43.1, 51.5, 48.4, 54.8, 44.3, 41.6, 42, 45.5,42.7, 37.8, 59.9, 48, 54.1, 38.9, 55.5, 42.8, 34.9

?Adults' cereal: 23.7, 25.3, 2.5, 8.7, 2.4, 21.4, 16.2, 14.4,23.1, 7.4, 5.9, 12.8, 16.3, 10.8, 1.3, 16.4, 2.2, 4.5, 2.6, 9.7,12.2, 4.5, 4, 1.4, 6.9, 0.1, 18.8, 6.9, 19.1, 13

A) The confidence interval is (___,___) round to two decimalplaces

B) Based on these samples, with 95% confidence, children'scereals average between the lower boundary of ___ and upperboundary of ___ more grams of sugar content than adults cereals.(round to two decimal places).

Answer & Explanation Solved by verified expert
4.4 Ratings (735 Votes)
Let us find out mean and standard deviation for both thesamplesChildrens cereal sample mean is Create the following tabledatadatameandata    See Answer
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