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Water loss: Human skin loses water through evaporation, and, in general, damaged skin loses water at a faster rate than undamaged skin. In a study in which the outer layer of skin on a small section of the forearm was partially removed, water loss (in g/m² per hour) was measured both before and after skin removal. The results for ten individuals were as follows: Subject Before After 1 18 28 2 13 22 3 15 20 4 17 19 5 18 25 6 14 21 7 11 21 8 16 28 9 12 26 10 17 24 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct a 95% confidence interval for the mean increase in water loss. Let d represent the water loss after skin removal minus the water loss before skin removal (in g/m² per hour). Use the TI-84 Plus calculator and round the answers to one decimal place.

Water loss: Human skin loses water through evaporation, and, in general, damaged skin loses water at a faster rate than undamaged skin. In a study in which the outer layer of skin on a small section of the forearm was partially removed, water loss (in g/m² per hour) was measured both before and after skin removal. The results for ten individuals were as follows: Subject Before After 1 18 28 2 13 22 3 15 20 4 17 19 5 18 25 6 14 21 7 11 21 8 16 28 9 12 26 10 17 24 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct a 95% confidence interval for the mean increase in water loss. Let d represent the water loss after skin removal minus the water loss before skin removal (in g/m² per hour). Use the TI-84 Plus calculator and round the answers to one decimal place.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Water loss: Human skin loses water through evaporation, and, in general, damaged skin loses water at a faster rate than undamaged skin. In a study in which the outer layer of skin on a small section of the forearm was partially removed, water loss (in g/m² per hour) was measured both before and after skin removal. The results for ten individuals were as follows: Subject Before After 1 18 28 2 13 22 3 15 20 4 17 19 5 18 25 6 14 21 7 11 21 8 16 28 12 26 17 24 9 10 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct a 95% confidence interval for the mean increase in water loss. Let d represent the water loss after skin removal minus the water loss before skin removal (in g/m² per hour). Use the TI-84 Plus calculator and round the answers to one decimal place. A 95% confidence interval for the mean increase in water loss is X < Hd 0.
Transcribed Image Text:Water loss: Human skin loses water through evaporation, and, in general, damaged skin loses water at a faster rate than undamaged skin. In a study in which the outer layer of skin on a small section of the forearm was partially removed, water loss (in g/m² per hour) was measured both before and after skin removal. The results for ten individuals were as follows: Subject Before After 1 18 28 2 13 22 3 15 20 4 17 19 5 18 25 6 14 21 7 11 21 8 16 28 12 26 17 24 9 10 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct a 95% confidence interval for the mean increase in water loss. Let d represent the water loss after skin removal minus the water loss before skin removal (in g/m² per hour). Use the TI-84 Plus calculator and round the answers to one decimal place. A 95% confidence interval for the mean increase in water loss is X < Hd 0.
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