One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to 20 samples of rat skin. Four skins were analyzed at each of the time intervals 1, 2, 4, 10, and 24 hours. The amounts of the chemical (in micrograms) that were in the skin are given in the following table. Duration Amounts Absorbed 1 2.0 2.6 1.8 1.9 2 2.2 2.2 1.6 2.3 4 1.4 2.6 1.8 1.6 10 1.2 2.5 1.4 1.7 24 1.3 1.7 1.3 2.1 Construct an ANOVA table. Round your answers to four decimal places. One-way ANOVA: Pesticide Amount Source DF SS MS F P Duration Error Total
One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to 20 samples of rat skin. Four skins were analyzed at each of the time intervals 1, 2, 4, 10, and 24 hours. The amounts of the chemical (in micrograms) that were in the skin are given in the following table. Duration Amounts Absorbed 1 2.0 2.6 1.8 1.9 2 2.2 2.2 1.6 2.3 4 1.4 2.6 1.8 1.6 10 1.2 2.5 1.4 1.7 24 1.3 1.7 1.3 2.1 Construct an ANOVA table. Round your answers to four decimal places. One-way ANOVA: Pesticide Amount Source DF SS MS F P Duration Error Total
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Pesticide danger: One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to 20 samples of rat skin. Four skins were analyzed at each of the time intervals 1, 2, 4, 10, and 24 hours. The amounts of the chemical (in micrograms) that were in the skin are given in the following table.
| Duration | Amounts Absorbed | |||
|---|---|---|---|---|
|
1
|
2.0
|
2.6
|
1.8
|
1.9
|
|
2
|
2.2
|
2.2
|
1.6
|
2.3
|
|
4
|
1.4
|
2.6
|
1.8
|
1.6
|
|
10
|
1.2
|
2.5
|
1.4
|
1.7
|
|
24
|
1.3
|
1.7
|
1.3
|
2.1
|
Construct an ANOVA table. Round your answers to four decimal places.
| One-way ANOVA: Pesticide Amount |
|
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