Exercise 23
Shanedryia Lewis
February 9, 2015
1. R = -0.149
No, the results are not significant because the p value 0.424 is greater than the alpha 0.01.
2. The values equal in strength. An r value of -1.00 or 1.00 indicates the strongest possible
relatio

Name: Timothy Hatlevig
Date: 3/21/16
Topic One: Mean, Variance, and Standard Deviatio
Please type your answer in the cell beside the question.
Please type you answer in the cell beside the question.
1. Identify the sampling technique being used. Every 20t

WORKBOOK
RACHEL SCOTT 07/15/16
Exercise 11
1. What demographic variables were measured at least at the interval level of
measurement?
These demographic variables measured were age, annual income, number of labor
hours worked, return to work (weeks), and n

Running head: SUBSTANCE ABUSE IN ADOLESCENTS; AFFECTS ON YOUR
COMMUNITY
1
Substance Abuse in Adolescents
Seana Benham
Grand Canyon University
Nursing 427 Concepts in Community and Public Health
November5, 2015
SUBSTANCE ABUSE IN ADOLESCENTS; AFFECTS ON YO

WorkBook Exercise 36
RACHEL SCOTT 08/06/16
1. The researchers found a signicant difference between the two groups (control
and treatment) for change in mobility of the women with osteoarthritis (OA) over 12
weeks with the results of F(1, 22) = 9.619, p =

WEEK3 DQ1
Explain when a z-test would be appropriate over a t-test.
Z distribution for a single sample Z-test is used when we know a sigma of a
population of a simple sample and if we dont know sigma of a population then we T
distribution for a single sam

Name:
Date:
Topic Five: Correlation/Regression and Chi Square
Excel Worksheet
Directions: Answer all problems and submit to instructor at the end of Module 5
SYSTOLIC AND DIASTOLIC BLOOD PRESSURE OF FEMALES
The following table represents systolic and dias

WEEK 2 DQ 1
Explain the importance of random sampling. What problems/limitations could
prevent a truly random sampling and how can they be prevented?
You begin with a population group that you are going to be studying and make a sub
group. This sub group

Name: Rachel Scot
Date: 07/23/16
Topic 2: Population and Sampling
Distribution Excel Worksheet
Directions: Answer all questions and submit to instructor at the end of Topic 2
1 A. For a normal distribution that has a mean of 100,
and a standard deviation

Workbook exercise 23
Rachel Scott 08/13/16
1. What is the r-value for the relationship between Hamstring strength index 60/s and the
Shuttle run test? Is this r-value signicant? Provide a rationale for your answer.
r = - 0.149, relationship between Hamstr

The Things
Parents May Not
Know
E ABUSE
IN
ADOLESCE
NTS
Seana
Benham RN
NRS 427 V
Concepts in
Community
ADOLESCENT DIES AT AGE 19 AFTER SMOKING SYNTHETIC MARIJUANA
What His Parents Want You To Know About
HOW IS RELEVANT DATA
COLLECTED FOR YOUR
STATE AND C

Anova: Single Factor
SUMMARY
Groups
Count
Group 1
6
Group 2
23
Group 3
11
ANOVA
rce of Variation SS
Between G 937.9303
Within Gro 10484.47
Total
11422.4
Sum
Average
625 104.1667
2507
109
1300 118.1818
df
Variance
44.16667
344.9091
267.5636
MS
F
P-value
F

Exercise 24
February 9, 2015
1. The relationship between negative items and avoidance-social diversion is r=0.32*.
The * indicates that the r is statistically significant when p is less than 0.01.
2. R=-0.32* which indications a moderate negative correlat

Name: Timothy Hatlevig
Date: 4/11/16
Topic 4: ANOVA Excel Worksheet
Directions: Answer all questions and submit to instructor at the end
of Module 4
Statistical Conclusion:
The calculated F-statistic is lower than the F-statistic critical value (1.654992<

Name: Timothy Hatlevig
Date: 3/28/16
Topic 2: Population and Sampling
Distribution Excel Worksheet
Directions: Answer all questions and submit to instructor at the end of Topic 2
1 A. For a normal distribution that has a mean of 100,
and a standard deviat

Name: Timothy Hatlevig
Date: 4/18/16
Topic Five: Correlation/Regression and Chi Square
Excel Worksheet
Directions: Answer all problems and submit to instructor at the end of Module 5
SYSTOLIC AND DIASTOLIC BLOOD PRESSURE OF FEMALES
The following table rep

Name: Timothy Hatlevig
Date: 4/2/16
Hypothesis Testing
Answer each question completely to recieve full credit
1. There is a new drug that is used to treat leukemia. The following data
represents the remission time in weeks for a random sample of 21
patien

Exercise 36
February 1, 2015
1. F(1,22)=9.619, p=0.005, where F is the statistic for ANOVA and the group df = 1 and the error df =
22.The F ratio or value = 9.619, which is p indicates the significance of the F ratio.
2. The mean pain and mobility scores

Exercise 20
January 26, 2015
1.
Patient 3 had the highest T score of 63.
2.
Patient 4 scored the lowest on the postoperative CVLT retrieval with a T score of 23.
3.
Yes, patient 4 had more of a memory performance decline than the average post-operative CV

Exercise 18
January 17, 2015
1. Mean 5.48 SD 22.93
5.48-1.96 (22.93) = -39.46 5.48+1.96 (22.93)=50.42
Expressed as (-39.46, 50.42)
2. C. 22.57
The standard deviation tells us about the variability of the scores.
3. Female General Health Perceptions
Mean 3

Week 5 DQ 1
Topic 5 DQ 1
Describe the error in the conclusion. Given: There is a linear correlation between
the number of cigarettes smoked and the pulse rate. As the number of cigarettes
increases the pulse rate increases. Conclusion: Cigarettes cause th

Name: Rachel Scot
Date: 07/15/16
Topic One: Mean, Variance, and Standard Deviatio
Please type your answer in the cell beside the question.
Please type you answer in the cell beside the question.
1. Identify the sampling technique being used. Every 20th pa

I would want to use lower alpha levels in a research study when the results of the
study would have significant consequences on whom ever was utilizing the study.
For example: using a lower alpha level would provide a greater assurance if the
results were

A z-test is used for testing the mean of a population versus a standard, or comparing
the means of two populations, with large (n 30) samples whether you know the
population standard deviation or not. It is also used for testing the proportion of
some cha

4posts
Re:Topic1DQ2
A population is the complete set of observations a researcher
is interested in. A sample is a subset of a population (Hebl & Lane, n.d.).
Central tendency is a single value that attempts to describe a set of data by
identifying the cen

Statistics and central tendencies (mean median, mode) in health care assist in
understanding the rationale on what diagnostic, prognostic and therapeutic
decisions are based upon. As nurses we need to interpret laboratory tests as well as
bedside observat

Graphics and statistics can be used to misrepresent data in multiple ways. One
common misrepresentation is the scale used on many graphs. The scale may be
increased or decreased to show a huge rise or decline on the chart in order to
mislead a group of pe

Random samples are useful to get the best representation of
the population being studied or tested. Random samples are picked without bias
and this alleviates the potential for skewing the results. However, depending
on the population being sampled the sa