Question
In: Statistics and Probability
The weight and systolic blood pressure (BP) of 26 randomly selected males in the age group...
- The weight and systolic blood pressure (BP) of 26 randomly selected males in the age group 25-30 are shown in the SAS code. Assume that for any fixed value of weight, BP is normally distributed.
|
Number of Observations Read |
27 |
|
Number of Observations Used |
26 |
|
Number of Observations with Missing Values |
1 |
|
Analysis of Variance |
|||||
|
Source |
DF |
Sum of |
Mean |
F Value |
Pr > F |
|
Model |
1 |
2693.58122 |
2693.58122 |
35.74 |
<.0001 |
|
Error |
24 |
1808.57262 |
75.35719 |
||
|
Corrected Total |
25 |
4502.15385 |
|||
|
Root MSE |
8.68085 |
R-Square |
0.5983 |
|
Dependent Mean |
145.61538 |
Adj R-Sq |
0.5815 |
|
Coeff Var |
5.96149 |
|
Parameter Estimates |
|||||||
|
Variable |
DF |
Parameter |
Standard |
t Value |
Pr > |t| |
95% Confidence Limits |
|
|
Intercept |
1 |
69.10437 |
12.91013 |
5.35 |
<.0001 |
42.45918 |
95.74957 |
|
Weight |
1 |
0.41942 |
0.07015 |
5.98 |
<.0001 |
0.27463 |
0.56420 |
- Find a regression line relating systolic blood pressure to weight.
- Test the hypothesis that there is no linear relationship between weight and BP. ( you may use α = .05).
- Find a 95% CI for the slope of the regression line.
Solutions
orchestra answered 1 year agoRelated Solutions
A researcher studied age and systolic blood pressure of 6 randomly selected subjects. The data are...
A researcher studied age and systolic blood pressure of 6
randomly selected subjects. The data are shown in the table.
Subject /Age /Pressure
A 43 120
B 48 128
C 56 135
D 61 141
E 67 143
F 70 152
Test the significance of the correlation between age and
systolic blood pressure. Use a significance level of 0.05.
Step1) Identify the null and alternative hypotheses
symbolically. H0: H1:
Step 2) Find the p – value and make the decision...
The systolic blood pressure of individuals is thought to be related to both age and weight....
The systolic blood pressure of individuals is thought to be
related to both age and weight. For a random sample of 11 men, the
following data were obtained. Systolic Blood pressue x1 Age (years)
x2 Weight (pounds) x3 132 52 173 143 59 184 153 67 194 162 73 211
154 64 196 168 74 220 137 54 188 149 61 188 159 65 207 128 46 167
166 72 217 (a) Generate summary statistics, including the mean and
standard...
The systolic blood pressure of individuals is thought to be related to both age and weight....
The systolic blood pressure of individuals is thought to be
related to both age and weight. For a random sample of 11 men, the
following data were obtained.
Systolic Blood
pressue
x1
Age (years)
x2
Weight
(pounds)
x3
132
52
173
143
59
184
153
67
194
162
73
211
154
64
196
168
74
220
137
54
188
149
61
188
159
65
207
128
46
167
166
72
217
(a) Generate summary statistics, including the mean and standard...
The systolic blood pressure of individuals is thought to be related to both age and weight....
The systolic blood pressure of individuals is thought to be
related to both age and weight. For a random sample of 11 men, the
following data were obtained.
Systolic Blood
pressue
x1
Age (years)
x2
Weight
(pounds)
x3
132
52
173
143
59
184
153
67
194
162
73
211
154
64
196
168
74
220
137
54
188
149
61
188
159
65
207
128
46
167
166
72
217
(a) Generate summary statistics, including the mean and standard...
1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure...
1. The following table gives the systolic blood pressure and age
of patients.
Systolic Blood Pressure
Age
131
34
132
36
122
30
119
32
123
26
115
23
137
37
a) Determine an r value for this data and classify the value as
weak, moderate, or strong.
b) Based on your calculated r value, what can you say about the
slope of the regression line?
c) Determine the model equation. This is also called the
regression line or the...
We have age and systolic blood pressure (SBP) of 10 randomly chosen people. Using this data,...
We have age and systolic blood pressure (SBP) of 10 randomly
chosen people. Using this data, we would like to create a model to
predict systolic blood pressure from age.
Age
SBP
53
137
50
132
54
149
48
132
43
120
43
126
63
161
63
170
62
152
65
164
Write out the model with the beta coefficients.
(6pts) Put this data into SPSS, and find the parameter
estimates. Write out the prediction equation. Interpret the
prediction equation....
We have age and systolic blood pressure (SBP) of 10 randomly chosen people. Using this data,...
We have age and systolic blood pressure (SBP) of 10 randomly
chosen people. Using this data, we would like to create a model to
predict systolic blood pressure from age.
Age
SBP
53
137
50
132
54
149
48
132
43
120
43
126
63
161
63
170
62
152
65
164
Give a 95% CI around the predicted slope coefficient and
interpret.
Using the prediction equation, what is the predicted systolic
blood pressure for a
44 year old?
61...
This problem is to be solved by hand. The weight and systolic blood pressure of 12...
This problem is to be solved by hand.
The weight and systolic blood pressure of 12 randomly selected
males in the age group 25-30 are shown in the table below.
Subject 1 2 3 4 5 6 7 8 9 10 11 12
Weight (lbs), x 165 167 180 165 212 175 190 212 200 149 158
169
Systolic BP, y 130 133 150 128 151 146 150 140 148 125 133
135
(e) Test for significance of regression coefficient...
Determine if there is a correlation between weight and systolic and diastolic pressure. Normal blood pressure...
Determine if there is a correlation between weight and systolic and
diastolic pressure.
Normal blood pressure 110/70 to 140/90
Girls
Weight and pressure
1. 117 (122/79)
2. 77 (110/70)
3. 115(121/80)
4. 147 (119/79)
5. 79 (109/70)
6. 117 (125/78)
7. 60 (112/71)
8. 130 (121/80)
9. 105 (122/80)
10. 94 (120/80)
Boys
Weight and pressure
1. 165 (126/78)
2. 147 (125/78)
3. 160 (120/74)
4. 168 (121/76)
5. 158 (125/80)
6. 187 (140/91)
7. 170 (131/82)
8. 145 (130/80)...
1- Assume that systolic blood pressure of Australian males is Normally distributed with a mean of...
1- Assume that systolic blood pressure of Australian males is
Normally distributed with a mean of 113.8 mmHg and a standard
deviation of 10.8 mmHg.
What proportion of the male population has a blood pressure over
120 mmHg?
Select one:
a. 28%
b. 57%
c. 5%
d. 72%
2-In a hypothetical population, the age-standardised incidence
of liver cancer is 9.5 cases per 100,000 population. Excessive
alcohol consumption is a risk factor for development of liver
cancer, with consumption of alcohol...
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