Pearson eText for College Mathematics for Business, Economics, Life Sciences, and Social Sciences -- Instant Access (Pearson+)
14th Edition
ISBN: 9780137553341
Author: Raymond Barnett, Michael Ziegler
Publisher: PEARSON+
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Chapter A.6, Problem 80E
To determine
Whether the statement “the square roots of
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The systolic blood pressure of individuals is thought to be related to both age and weight. Let the systolic blood pressure, age, and weight be represented by the variables x1, x2, and x3, respectively. Suppose that Minitab was used to generate the following descriptive statistics, correlations, and regression analysis for a random sample of 15 individuals.
Descriptive Statistics
Variable
N
Mean
Median
TrMean
StDev
SE Mean
x 1
15
154.14
154.34
154.14
3.842
0.992000
x 2
15
59.69
60.19
59.69
1.462
0.377487
x 3
15
205.55
204.75
205.55
4.558
1.176871
Variable
Minimum
Maximum
Q1
Q3
x 1
125
178
141.803
167.244
x 2
41
80
47.754
78.415
x 3
126
240
140.395
224.008
Correlations (Pearson)
x 1
x 2
x 2
0.892
x 3
0.839
0.567
Regression Analysis
The regression equation is
x 1 = 0.883 + 1.257x2 + 0.871x3
Predictor
Coef
StDev
T
P
Constant
0.883
0.635
1.39
0.095
x 2
1.257
0.635
1.98
0.036
x 3
0.871
0.419
2.08
0.030
S = 0.428
R-sq = 92.7 %…
According to health professionals, a person’s weight is expected to increase with age. To examine that statement, a nutritionist collected data from 11 random females from different age categories between the ages of 21 and 43. In the following table, x is the age of a person and y is the weight in pounds.
x, age
21
24
27
29
31
33
35
38
40
42
43
y, weight in lb
121.4
122.3
130.3
131.7
133.3
134.6
136.7
138.4
140.3
142.0
145.1
Select the correct graph of the least-squares line on a scatter diagram.
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Chapter A Solutions
Pearson eText for College Mathematics for Business, Economics, Life Sciences, and Social Sciences -- Instant Access (Pearson+)
Ch. A.1 - State the real number property that justifies the...Ch. A.1 - Prob. 2MPCh. A.1 - Prob. 3MPCh. A.1 - Prob. 1ECh. A.1 - Prob. 2ECh. A.1 - Prob. 3ECh. A.1 - Prob. 4ECh. A.1 - Prob. 5ECh. A.1 - Prob. 6ECh. A.1 - Prob. 7E
Ch. A.1 - Prob. 8ECh. A.1 - Prob. 9ECh. A.1 - Prob. 10ECh. A.1 - Prob. 11ECh. A.1 - Prob. 12ECh. A.1 - Prob. 13ECh. A.1 - Prob. 14ECh. A.1 - Prob. 15ECh. A.1 - Prob. 16ECh. A.1 - Prob. 17ECh. A.1 - Prob. 18ECh. A.1 - Prob. 19ECh. A.1 - Prob. 20ECh. A.1 - Prob. 21ECh. A.1 - Prob. 22ECh. A.1 - Prob. 23ECh. A.1 - Prob. 24ECh. A.1 - Prob. 25ECh. A.1 - Prob. 26ECh. A.1 - Prob. 27ECh. A.1 - Prob. 28ECh. A.1 - Prob. 29ECh. A.1 - Prob. 30ECh. A.1 - Prob. 31ECh. A.1 - Prob. 32ECh. A.1 - Prob. 33ECh. A.1 - Prob. 34ECh. A.1 - Prob. 35ECh. A.1 - Prob. 36ECh. A.1 - Prob. 37ECh. A.1 - Prob. 38ECh. A.1 - Prob. 39ECh. A.1 - Prob. 40ECh. A.1 - Prob. 41ECh. A.1 - Prob. 42ECh. A.1 - Prob. 43ECh. A.1 - Prob. 44ECh. A.1 - Prob. 45ECh. A.1 - Prob. 46ECh. A.1 - Prob. 47ECh. A.1 - Prob. 48ECh. A.2 - Prob. 1MPCh. A.2 - Prob. 2MPCh. A.2 - Prob. 3MPCh. A.2 - Prob. 4MPCh. A.2 - Prob. 5MPCh. A.2 - Prob. 6MPCh. A.2 - Perform the indicated operations and...Ch. A.2 - Prob. 1ECh. A.2 - Prob. 2ECh. A.2 - Prob. 3ECh. A.2 - Prob. 4ECh. A.2 - Prob. 5ECh. A.2 - Prob. 6ECh. A.2 - Prob. 7ECh. A.2 - Prob. 8ECh. A.2 - Prob. 9ECh. A.2 - Prob. 10ECh. A.2 - Prob. 11ECh. A.2 - Prob. 12ECh. A.2 - Prob. 13ECh. A.2 - Prob. 14ECh. A.2 - Prob. 15ECh. A.2 - Prob. 16ECh. A.2 - Prob. 17ECh. A.2 - Prob. 18ECh. A.2 - Prob. 19ECh. A.2 - Prob. 20ECh. A.2 - Prob. 21ECh. A.2 - Prob. 22ECh. A.2 - Prob. 23ECh. A.2 - Prob. 24ECh. A.2 - Prob. 25ECh. A.2 - Prob. 26ECh. A.2 - Prob. 27ECh. A.2 - Prob. 28ECh. A.2 - Prob. 29ECh. A.2 - Prob. 30ECh. A.2 - Prob. 31ECh. A.2 - Prob. 32ECh. A.2 - Prob. 33ECh. A.2 - Prob. 34ECh. A.2 - Prob. 35ECh. A.2 - Prob. 36ECh. A.2 - Prob. 37ECh. A.2 - Prob. 38ECh. A.2 - Prob. 39ECh. A.2 - Prob. 40ECh. A.2 - Prob. 41ECh. A.2 - Prob. 42ECh. A.2 - Prob. 43ECh. A.2 - Prob. 44ECh. A.2 - 45. Subtract the sum of the last two polynomials...Ch. A.2 - Prob. 46ECh. A.2 - Prob. 47ECh. A.2 - Prob. 48ECh. A.2 - Prob. 49ECh. A.2 - Prob. 50ECh. A.2 - Prob. 51ECh. A.2 - Prob. 52ECh. A.2 - Prob. 53ECh. A.2 - Prob. 54ECh. A.2 - Prob. 55ECh. A.2 - Prob. 56ECh. A.2 - Prob. 57ECh. A.2 - Prob. 58ECh. A.2 - Prob. 59ECh. A.2 - Prob. 60ECh. A.2 - Prob. 61ECh. A.2 - Prob. 62ECh. A.3 - Prob. 1MPCh. A.3 - Prob. 2MPCh. A.3 - Prob. 3MPCh. A.3 - Prob. 4MPCh. A.3 - Prob. 5MPCh. A.3 - Prob. 1ECh. A.3 - Prob. 2ECh. A.3 - Prob. 3ECh. A.3 - Prob. 4ECh. A.3 - Prob. 5ECh. A.3 - Prob. 6ECh. A.3 - Prob. 7ECh. A.3 - Prob. 8ECh. A.3 - Prob. 9ECh. A.3 - Prob. 10ECh. A.3 - Prob. 11ECh. A.3 - Prob. 12ECh. A.3 - Prob. 13ECh. A.3 - Prob. 14ECh. A.3 - Prob. 15ECh. A.3 - Prob. 16ECh. A.3 - Prob. 17ECh. A.3 - Prob. 18ECh. A.3 - Prob. 19ECh. A.3 - Prob. 20ECh. A.3 - In Problems 9–56, factor completely. If a...Ch. A.3 - Prob. 22ECh. A.3 - Prob. 23ECh. A.3 - Prob. 24ECh. A.3 - Prob. 25ECh. A.3 - Prob. 26ECh. A.3 - Prob. 27ECh. A.3 - Prob. 28ECh. A.3 - Prob. 29ECh. A.3 - Prob. 30ECh. A.3 - Prob. 31ECh. A.3 - Prob. 32ECh. A.3 - Prob. 33ECh. A.3 - Prob. 34ECh. A.3 - Prob. 35ECh. A.3 - Prob. 36ECh. A.3 - In Problems 9–56, factor completely. If a...Ch. A.3 - Prob. 38ECh. A.3 - Prob. 39ECh. A.3 - Prob. 40ECh. A.3 - Prob. 41ECh. A.3 - Prob. 42ECh. A.3 - Prob. 43ECh. A.3 - Prob. 44ECh. A.3 - Prob. 45ECh. A.3 - Prob. 46ECh. A.3 - Prob. 47ECh. A.3 - Prob. 48ECh. A.3 - Prob. 49ECh. A.3 - Prob. 50ECh. A.3 - Prob. 51ECh. A.3 - Prob. 52ECh. A.3 - Prob. 53ECh. A.3 - Prob. 54ECh. A.3 - Prob. 55ECh. A.3 - Prob. 56ECh. A.3 - Prob. 57ECh. A.3 - Prob. 58ECh. A.3 - Prob. 59ECh. A.3 - Prob. 60ECh. A.4 - Prob. 1MPCh. A.4 - Prob. 2MPCh. A.4 - Prob. 3MPCh. A.4 - Prob. 4MPCh. A.4 - Prob. 5MPCh. A.4 - Prob. 1ECh. A.4 - Prob. 2ECh. A.4 - Prob. 3ECh. A.4 - Prob. 4ECh. A.4 - Prob. 5ECh. A.4 - Prob. 6ECh. A.4 - Prob. 7ECh. A.4 - Prob. 8ECh. A.4 - Prob. 9ECh. A.4 - Prob. 10ECh. A.4 - Prob. 11ECh. A.4 - Prob. 12ECh. A.4 - Prob. 13ECh. A.4 - Prob. 14ECh. A.4 - Prob. 15ECh. A.4 - Prob. 16ECh. A.4 - Prob. 17ECh. A.4 - Prob. 18ECh. A.4 - Prob. 19ECh. A.4 - Prob. 20ECh. A.4 - Prob. 21ECh. A.4 - Prob. 22ECh. A.4 - Prob. 23ECh. A.4 - Prob. 24ECh. A.4 - Prob. 25ECh. A.4 - Prob. 26ECh. A.4 - Prob. 27ECh. A.4 - Prob. 28ECh. A.4 - Prob. 29ECh. A.4 - Prob. 30ECh. A.4 - Prob. 31ECh. A.4 - Prob. 32ECh. A.4 - Prob. 33ECh. A.4 - Prob. 34ECh. A.4 - Prob. 35ECh. A.4 - Prob. 36ECh. A.4 - Prob. 37ECh. A.4 - Prob. 38ECh. A.4 - Prob. 39ECh. A.4 - Prob. 40ECh. A.4 - Prob. 41ECh. A.4 - Prob. 42ECh. A.4 - Prob. 43ECh. A.4 - Prob. 44ECh. A.4 - Prob. 45ECh. A.4 - Prob. 46ECh. A.5 - Prob. 1MPCh. A.5 - Prob. 2MPCh. A.5 - Prob. 3MPCh. A.5 - Prob. 1ECh. A.5 - Prob. 2ECh. A.5 - Prob. 3ECh. A.5 - Prob. 4ECh. A.5 - Prob. 5ECh. A.5 - Prob. 6ECh. A.5 - Prob. 7ECh. A.5 - Prob. 8ECh. A.5 - Prob. 9ECh. A.5 - Prob. 10ECh. A.5 - Prob. 11ECh. A.5 - Prob. 12ECh. A.5 - Prob. 13ECh. A.5 - Prob. 14ECh. A.5 - Prob. 15ECh. A.5 - Prob. 16ECh. A.5 - Prob. 17ECh. A.5 - Prob. 18ECh. A.5 - Prob. 19ECh. A.5 - In Problems 15–20, write each number in scientific...Ch. A.5 - Prob. 21ECh. A.5 - Prob. 22ECh. A.5 - Prob. 23ECh. A.5 - Prob. 24ECh. A.5 - Prob. 25ECh. A.5 - Prob. 26ECh. A.5 - Prob. 27ECh. A.5 - In Problems 21–28, write each number in standard...Ch. A.5 - Prob. 29ECh. A.5 - Prob. 30ECh. A.5 - Prob. 31ECh. A.5 - Prob. 32ECh. A.5 - Prob. 33ECh. A.5 - Prob. 34ECh. A.5 - Prob. 35ECh. A.5 - Prob. 36ECh. A.5 - Prob. 37ECh. A.5 - Prob. 38ECh. A.5 - Prob. 39ECh. A.5 - Prob. 40ECh. A.5 - Prob. 41ECh. A.5 - Prob. 42ECh. A.5 - Prob. 43ECh. A.5 - Prob. 44ECh. A.5 - Prob. 45ECh. A.5 - Prob. 46ECh. A.5 - Prob. 47ECh. A.5 - Prob. 48ECh. A.5 - Prob. 49ECh. A.5 - Prob. 50ECh. A.5 - Prob. 51ECh. A.5 - Prob. 52ECh. A.5 - Prob. 53ECh. A.5 - Prob. 54ECh. A.5 - Prob. 55ECh. A.5 - Prob. 56ECh. A.5 - Prob. 57ECh. A.5 - Prob. 58ECh. A.5 - Prob. 59ECh. A.5 - Prob. 60ECh. A.5 - Prob. 61ECh. A.5 - Prob. 62ECh. A.5 - Prob. 63ECh. A.5 - Prob. 64ECh. A.6 - Prob. 1MPCh. A.6 - Prob. 2MPCh. A.6 - Prob. 3MPCh. A.6 - Prob. 4MPCh. A.6 - Prob. 5MPCh. A.6 - Prob. 6MPCh. A.6 - Prob. 7MPCh. A.6 - Prob. 8MPCh. A.6 - Prob. 1ECh. A.6 - Prob. 2ECh. A.6 - Prob. 3ECh. A.6 - Prob. 4ECh. A.6 - Prob. 5ECh. A.6 - Prob. 6ECh. A.6 - Prob. 7ECh. A.6 - Prob. 8ECh. A.6 - Prob. 9ECh. A.6 - Prob. 10ECh. A.6 - Prob. 11ECh. A.6 - Prob. 12ECh. A.6 - Prob. 13ECh. A.6 - Prob. 14ECh. A.6 - Prob. 15ECh. A.6 - Prob. 16ECh. A.6 - Prob. 17ECh. A.6 - Prob. 18ECh. A.6 - Prob. 19ECh. A.6 - Prob. 20ECh. A.6 - Prob. 21ECh. A.6 - Prob. 22ECh. A.6 - Prob. 23ECh. A.6 - Prob. 24ECh. A.6 - Prob. 25ECh. A.6 - Prob. 26ECh. A.6 - Prob. 27ECh. A.6 - Prob. 28ECh. A.6 - Prob. 29ECh. A.6 - Prob. 30ECh. A.6 - Prob. 31ECh. A.6 - Prob. 32ECh. A.6 - Prob. 33ECh. A.6 - Prob. 34ECh. A.6 - Prob. 35ECh. A.6 - Prob. 36ECh. A.6 - Prob. 37ECh. A.6 - Prob. 38ECh. A.6 - Prob. 39ECh. A.6 - Prob. 40ECh. A.6 - Prob. 41ECh. A.6 - Prob. 42ECh. A.6 - Prob. 43ECh. A.6 - Prob. 44ECh. A.6 - Prob. 45ECh. A.6 - Prob. 46ECh. A.6 - Prob. 47ECh. A.6 - Prob. 48ECh. A.6 - Prob. 49ECh. A.6 - Prob. 50ECh. A.6 - Prob. 51ECh. A.6 - Prob. 52ECh. A.6 - Prob. 53ECh. A.6 - Prob. 54ECh. A.6 - Prob. 55ECh. A.6 - Prob. 56ECh. A.6 - Prob. 57ECh. A.6 - Prob. 58ECh. A.6 - Prob. 59ECh. A.6 - Prob. 60ECh. A.6 - Prob. 61ECh. A.6 - Prob. 62ECh. A.6 - Prob. 63ECh. A.6 - Prob. 64ECh. A.6 - Prob. 65ECh. A.6 - Prob. 66ECh. A.6 - Prob. 67ECh. A.6 - Prob. 68ECh. A.6 - Prob. 69ECh. A.6 - Prob. 70ECh. A.6 - Prob. 71ECh. A.6 - Prob. 72ECh. A.6 - Prob. 73ECh. A.6 - Prob. 74ECh. A.6 - Prob. 75ECh. A.6 - Prob. 76ECh. A.6 - Prob. 77ECh. A.6 - Prob. 78ECh. A.6 - Prob. 79ECh. A.6 - Prob. 80ECh. A.6 - Prob. 81ECh. A.6 - Prob. 82ECh. A.6 - Prob. 83ECh. A.6 - Prob. 84ECh. A.6 - Prob. 85ECh. A.6 - Prob. 86ECh. A.6 - Prob. 87ECh. A.6 - Prob. 88ECh. A.6 - Prob. 89ECh. A.6 - Prob. 90ECh. A.6 - Prob. 91ECh. A.6 - Prob. 92ECh. A.6 - Prob. 93ECh. A.6 - Prob. 94ECh. A.6 - Prob. 95ECh. A.6 - Prob. 96ECh. A.7 - Prob. 1MPCh. A.7 - Solve by factoring using integer coefficients, if...Ch. A.7 - Prob. 3MPCh. A.7 - Prob. 4MPCh. A.7 - Prob. 5MPCh. A.7 - Prob. 6MPCh. A.7 - Prob. 1ECh. A.7 - Prob. 2ECh. A.7 - Prob. 3ECh. A.7 - Prob. 4ECh. A.7 - Prob. 5ECh. A.7 - Prob. 6ECh. A.7 - Prob. 7ECh. A.7 - Prob. 8ECh. A.7 - Prob. 9ECh. A.7 - Prob. 10ECh. A.7 - Prob. 11ECh. A.7 - Prob. 12ECh. A.7 - Prob. 13ECh. A.7 - Prob. 14ECh. A.7 - Prob. 15ECh. A.7 - Prob. 16ECh. A.7 - Prob. 17ECh. A.7 - Prob. 18ECh. A.7 - Prob. 19ECh. A.7 - Prob. 20ECh. A.7 - Prob. 21ECh. A.7 - Prob. 22ECh. A.7 - Prob. 23ECh. A.7 - Prob. 24ECh. A.7 - Prob. 25ECh. A.7 - Prob. 26ECh. A.7 - Prob. 27ECh. A.7 - Prob. 28ECh. A.7 - Prob. 29ECh. A.7 - Prob. 30ECh. A.7 - Prob. 31ECh. A.7 - Prob. 32ECh. A.7 - Prob. 33ECh. A.7 - Prob. 34ECh. A.7 - Prob. 35ECh. A.7 - Prob. 36ECh. A.7 - Prob. 37ECh. A.7 - Prob. 38ECh. A.7 - Prob. 39ECh. A.7 - Prob. 40ECh. A.7 - Prob. 41ECh. A.7 - Prob. 42ECh. A.7 - Prob. 43ECh. A.7 - Prob. 44ECh. A.7 - Prob. 45ECh. A.7 - Prob. 46ECh. A.7 - Prob. 47ECh. A.7 - Prob. 48ECh. A.7 - Prob. 49ECh. A.7 - Prob. 50ECh. A.7 - Prob. 51ECh. A.7 - Prob. 52ECh. A.7 - Prob. 53ECh. A.7 - Prob. 54E
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