Here is a sample of amounts of weight change (kg) of college students in their freshman year: 14, 3, - 1, -6, where - 6 represents a loss of 6 kg and positive values represe weight gained. Here are ten bootstrap samples: (14, 14, 14, - 1), {14, - 6, – 1, 14}, {14, – 6, 3, – 1}, {3, - 6, - 1, 14), {-i, - 1, - 1, 3}, {3, - 6, 3, - 6), {14, 3, - 6, - 1}, {-6, 3, - 6, 3}, {- 6, - 1, -6, 3}, {3, 14, 14, 14). O Complete parts (a) and (b) below. a. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population. O kg < u «O kg (Round to one decimal place as needed.) b. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the standard deviation of the weight changes for the population. O kg

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Here is a sample of amounts of weight change (kg) of college students in their freshman year: 14, 3, - 1, -6, where - 6 represents a loss of 6 kg and positive values represe
weight gained. Here are ten bootstrap samples: (14, 14, 14, - 1), {14, - 6, – 1, 14}, {14, – 6, 3, – 1}, {3, - 6, - 1, 14), {-i, - 1, - 1, 3}, {3, - 6, 3, - 6), {14, 3, - 6, - 1},
{-6, 3, - 6, 3}, {- 6, - 1, -6, 3}, {3, 14, 14, 14). O Complete parts (a) and (b) below.
a. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population.
O kg < u «O kg
(Round to one decimal place as needed.)
b. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the standard deviation of the weight changes for the population.
O kg <s<O kg
(Round to one decimal place as needed.)
Transcribed Image Text:Here is a sample of amounts of weight change (kg) of college students in their freshman year: 14, 3, - 1, -6, where - 6 represents a loss of 6 kg and positive values represe weight gained. Here are ten bootstrap samples: (14, 14, 14, - 1), {14, - 6, – 1, 14}, {14, – 6, 3, – 1}, {3, - 6, - 1, 14), {-i, - 1, - 1, 3}, {3, - 6, 3, - 6), {14, 3, - 6, - 1}, {-6, 3, - 6, 3}, {- 6, - 1, -6, 3}, {3, 14, 14, 14). O Complete parts (a) and (b) below. a. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population. O kg < u «O kg (Round to one decimal place as needed.) b. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the standard deviation of the weight changes for the population. O kg <s<O kg (Round to one decimal place as needed.)
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