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 2 years agoRelated Solutions
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You want to study the relationship between fat intake (g/day)
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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...
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
composition and blood pressure
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
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Male
Female
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450
Female
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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...
A study is being conducted to explore the differences in blood pressure among male patients between...
A study is being
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male
patients between the ages of 40 and 50
who
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between the ages of 40 and 50 who are not enrolled in an exercise
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1. Based on the
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2. What is the role of
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What nursing independent action can you provide this patient to
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You want to see if there is a relationship between how anxious someone is and their...
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You are a healthcare professional who provides care directly to patients (pick which kind you want...
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Suppose you need to examine the relationship between wages (in $1,000) and the variables: experience in...
Suppose you need to examine the relationship between
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number of previous jobs in the field
(Prevjobs). Experience in the field is measured in years.
You took a sample of 20 employees and obtained
the following output ( Must show your work otherwise you get half
credit):
Coeff StdError t
Stat p-value
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Exper -0.15 0.18 ????? 0.41
Degrees ???? 0.80 9.1 0.000
Prevjobs -0.65 0.52 -1.25 ????
a) Compute the t statistic for the experience in
the field
(Expr). ...
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