Question
In: Statistics and Probability
You want to examine the relationship among patients under your care between vegetable intake and blood...
You want to examine the relationship among patients under your care between vegetable intake and blood cholesterol. From dietary analyses and measurements of blood cholesterol, you get the values in the table below. Calculate the correlation coefficient. While this is a small sample, is the correlation significant (explain how you determined) and what would be your conclusion?
|
Patient |
Servings per day |
Cholesterol (mg/dl) |
|||
|
1 |
3 |
240 |
|||
|
2 |
4 |
180 |
|||
|
3 |
1 |
220 |
|||
|
4 |
8 |
120 |
|||
|
5 |
2 |
190 |
|||
|
Mean |
3.6 |
190 |
|||
|
SD |
2.7 |
46 |
Solutions
Expert Solution
this correlation is not significant because it is not close to 1
orchestra answered 1 year agoRelated Solutions
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Please show your scatter plot. (3 points)
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Age-adjusted death rate (per 100,000
population)
Fresno
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2.1
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0.8...
You want to study the relationship between fat intake (g/day) and death rate in the Central...
You want to study the relationship between fat intake (g/day)
and death rate in the Central Valley. Your friend, from PH 109,
suggests that you conduct an ecological study first. You found the
data and summarized it below. What is the association between fat
intake (g/day) and death rate? Explain the ecological fallacy.
Please show your scatter plot. (3 points)
County
Fat Intake (g/day)
Age-adjusted death rate (per 100,000
population)
Fresno
140
2.1
Kings
120
1.9
Tulare
119
0.8
Madera...
write short notes on the relationship between caloric intake, body composition and blood pressure
write short notes on the relationship between caloric intake, body
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We want to examine the
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the following table, U.S. Department of Justice 2011 data for the
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Sex
of Offender
Sex
of Offender
Sex of
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140
1. Treating sex of
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We want to examine the relationship between sex offenders and victims of violent crime. In the...
We want to examine the
relationship between sex offenders and victims of violent crime. In
the following table, U.S. Department of Justice 2011 data for the
sex of offenders and the sex of victims are reported.
Sex
of Offender
Sex
of Offender
Sex of
Victim
Male
Female
Male
3760
450
Female
1590
140
1. Treating sex of
offender as the independent variable, how many errors of
predictions will be made if the independent variable is
ignored?
2. How many fewer...
7- You are doing your first morning rounds and assessing the patients under your care. One...
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Coeff StdError t
Stat p-value
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Prevjobs -0.65 0.52 -1.25 ????
a) Compute the t statistic for the experience in
the field
(Expr). ...
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