Running head: EXERCISE 27 QUESTIONS TO BE GRADED
1
Exercise 27
1. What are the independent and dependent variables in Figures 2, A, B, and C? How would you
describe the relationship between the variables in Figures 2, A, B, and C?
The independent variable
Reply 6
Mean, median and mode is used often in the medical field. A good example would be A patient was
asked to rate her level of pain each time her vital signs were checked. Ten means extreme pain (the
worst pain of her life) and a zero means that she i
Name:
Date:
Descriptive Statistics Excel
Worksheet
Directions: Answer all problems and submit to instructor at the end of module 1
Q1
Q2
6. A sample of size 7 (n = 7) has a mean of M = 9.
One of the sample scores is changed from x = 19
to x = 5. What is t
Name:
shelley luevano
Date: April 21,2015
Topic One: Mean, Variance, and Standard Deviation
Please type your answer in the cell beside the question.
c
b
Please type you answer in the cell beside the question.
1. Identify the sampling technique being used.
Name:
Date:
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 of 8, determine the Z
Tina A. Rookard HLT 362V Applied Statistics for the Health Care Professional
Exercise 18
1. The degrees of freedom are calculated by subtracting k, the number of groups in the study
(which is 3) by the number N of participants. 255 3. df = 252. The error
Name:
Date:
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 diastolic blood
Shelley luevano
HLT-362V
April 19, 2015
Shameema Sarker
Work Book Exercise 11-16
5 ) Were the experimental and control groups similar in their type of feeding? Provide a rationale for
your answer.
The percentages of both the groups were similar in the typ
Exercise 29
1. Were the groups in this study independent or dependent? Provide a rationale for
your answer.
1
Both groups in the study were independent and this is evident by the fact that subjects
were different in each group, data was collected independ
Project Outc Backing HistorNo Backing HistTotal
Successful
25%
28%
Not Successful
16%
30%
Total
42%
58%
Arrival MethoYes
Recommendat
Browsing
54%
46%
100%
No
48%
23%
18%
11%
This table shows that social reccomendation has the ability to sway a persons dec
a. the employed adult felt tense or stressed out at work?
b. the employed adult was a male who felt tense or stressed out at
c. the employed adult was a male or felt tense or stressed out at wo
d. Explain the difference in the results in (b) and (c).
Ther
A. From the t distribution tables, the critical at 5% level of the significance for 17 degrees
to be rejected. Therefore, it can be concluded that there is sufficient evidence to support th
B. P-value: 0.518
C. (-1.6383, 0.8583)
Therefore, the 95% confide
Lower Critical Value: -1.645
Upper Critical Value: 1.645
The decision rule for this test is to reject the hypothesis if Z < -1.645 or Z > 1.645
Null hypothesis: H: u = 14
Alternative hypothesis: H: u =/ 14
Type 1 errorr for this is to conclude that the me
Mean
6
Median
7
Mode
7
Range
12
Standard Deviation
4
Coefficient of Variance
0.6666
Z Score
0.25
Outliers?
No
Shape
Positive asccending
22,22,23,24,24,24,24,25,25,26,26,26,26,27,27,30,31,32,33,37,38,39
Mean
27.77
Median
26
Mode
24, 26
Range
16
Standard De
Less than 95
Between 95 and 97.5
Above 102.2
65% chance
95-100/2=-5/2=-2.5; Z=0.0062; .62%
Z(95)=0.0062; Z(97.5)=0.1151; 0.0062-0.1151=.1091; 11%
102.2-100/2=1.1
Z=-0.38532; 2(-0.38532)+100= 99.23
Between 48% and 53%.
The probability is 90% that the sampl
sample mean= 85
Stadard deviation= 8 sample size= 64
95% confidence
85 +/- (1.96)8/8
85+/- 1.96
85-1.96= 83.04
85+1.96= 86.96
Thus, with confidence, you conclude that the population mean is between 86.96 and 83.04
standard deviation= 0.02; sample size= 50
Among Values: C-1, (4)-1= 3
Within Values: N-C, (32)-(4)=28
Degrees of Freedom total: N-1, (32)-1= 31
Mean Square Variance: SSA/ DIFFERENCE IN AMONG VALUES
80= SSA/3
SSA= 80(3)= 240
SST= SSA + SSW
SST= 560 + 240
SST= 800
MSW= SSW/ DIFFERENCE IN WITHIN VAL
Name:
Date:
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 diastolic blood
EXERCISE 31
1
Exercise 31
1. What are the two groups whose results are reflected by the t rations in Tables 2
and 3?
In both tables the first t-ratio reflects the differing results between the pre-test and
3 month post-test measures of the groups. While t
Name:
Date: 1/9/15
Topic One: Mean, Variance, and Standard Deviati
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 patient that co
e
Date: 1/22/15
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
patients using the drug.
10
Tina A. Rookard
HLT 362 Applied Statistics for the Health Care Professional
Exercise 31
1. Yes. The assumptions are: the population if about normally distributed, dependent variable measured is on a continuous or
ordinal scale; observations are independen
Reply 2
I remember when Reebok back in 2010 advertised that they made an easy tone and run tone shoes. Lab
tests proved that the shoes work your hamstrings and calves up to 11% harder and tone your butt up
to 28% more than regular sneakers just by walking
DQ 1
An example where graphics and/or statistics be used to misrepresent data would be in 1936 when
Literary Digest magazine wanted to predict the outcome of that year's presidential election using ten
million telephone and Digest subscribers as their sam
Reply 3
I personally think that we should always keep in mind that statistics can be wrong. Every day we are
faced with statistics. We watch TV, listen to the radio or even doing homework we are faced with
problems. For instance when we watch TV we should
Name: Carie Shipley
Date: 10/19/2013
InteliBoard Assessment
Directions: Answer all questions and submit to instructor at the end of Module 3
Q1
d
Q2
a
Q3
c
Q4
b
Q5
d
Q6
d
Q7
a
Q8
b
Q9
b
Q10
a
Q11
E[M]
80
SE[M]
2
E[M]=
SE[M]=/(n)=10/25
10/5=2
Q12
E[M]
120
Name:
Hypothesis Excel Worksheet
Directions: Be sure to answer both Problems 1 and 2 by clicking on the tabs at the bottom of the screen. Answer all
problems and submit to instructor at the end of module 3.
B)
SE[M]
C)
Z
3
1.667
SE[M]=15/(25)=15/5=3
Z=(M-