Answered: INSTRUCTION: Perform an appropriate…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.CR: Chapter 12 Review

Problem 97CR

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INSTRUCTION: Perform an appropriate statistical test using the dataset (Sheet name: Excretion) if a researcher would like to determine if the Weight (X1) and Height (X2) affects Creatinine Excretion (Y). Dataset for this can be retrieved on the given Excel.

1. Which among the X variables affects or factor/s for Creatinine Excretion?

A. Weight

B. Height

C. Both X variables

D. None of the X variables

2. What is the computed Mean of "Creatinine Excretion" on the given data for Excretion? Round it off to two decimal places.

3. What is the computed Standard Error of "Creatinine Excretion" on the given data for Excretion? Round it off to two decimal places.

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2
3
4
5
6
7
8
9
10
11
12
13
14
15
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18
19
20
21
A
Weight (kg)
9
10
6
8
10
LO
5
8
7
4
11
7
7
6
8
LO
5
11
5
9
LO
6
10
B
Height (cm)
72
76
59
68
60
58
70
65
54
83
64
66
61
66
57
81
59
71
62
75
C
Creatinine
Excretion
(mg/day)
100
115
52
85
135
58
90
60
45
125
86
80
65
95
25
125
40
95
70
120
D
E
LL
F

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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