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QUESTION

Need help with my writing homework on Statisics. Write a 250 word paper answering;

Need help with my writing homework on Statisics. Write a 250 word paper answering; STATISTICS For each of the following research questions, identify the independent variable and the dependent variable: a. Isa person’s age related to his/her psychological adjustment following a burn injury?

SOLUTION

AGE

b.How do physically handicapped children differ from nonhandicapped children with respect to health self-concepts.?

SOLUTION

HANDICAPPED

c.Do patients who administer their own pain medication have lower pain ratings than patients whose pain medication is administered by nurses?

SOLUTION

Teacher/Nurse

d.Is the intracranial pressure of comatose patients affected by the presence of conversing visitors?

SOLUTION

Conversing visitors

e.How does a bonnet compare to a stockinette in preventing heat loss in newborns?

SOLUTION

Bonnet/Stockinette

2.A psychologist studying intelligence tested the intelligence of 30 college psychology students using the Wechsler Adult Intelligence Scale–Third Edition (WAIS-III). Following is a table of the full-scale intelligence scores the psychologist obtained:

10392113110122122

115100140111131108

110121110124100107

9811010912788111

12210910397113101

For the data presented above,

a. Create a table showing the frequency, cumulative frequency, % and cumulative % distribution of the individual (ungrouped) scores.

SOLUTION

Scores

Frequency

Percent

Valid Percent

Cumulative Percent

Valid

88

1

3.3

3.3

3.3

92

1

3.3

3.3

6.7

97

1

3.3

3.3

10.0

98

1

3.3

3.3

13.3

100

2

6.7

6.7

20.0

101

1

3.3

3.3

23.3

103

2

6.7

6.7

30.0

107

1

3.3

3.3

33.3

108

1

3.3

3.3

36.7

109

2

6.7

6.7

43.3

110

4

13.3

13.3

56.7

111

2

6.7

6.7

63.3

113

2

6.7

6.7

70.0

115

1

3.3

3.3

73.3

121

1

3.3

3.3

76.7

122

3

10.0

10.0

86.7

124

1

3.3

3.3

90.0

127

1

3.3

3.3

93.3

131

1

3.3

3.3

96.7

140

1

3.3

3.3

100.0

Total

30

100.0

100.0

b.Create a stem-and-leaf plot of the data.

SOLUTION

Stem-and-Leaf Display: Scores

Stem-and-leaf of Scores N = 30

Leaf Unit = 1.0

1 8 8

2 9 2

4 9 78

9 10 00133

13 10 7899

(8) 11 00001133

9 11 5

8 12 12224

3 12 7

3.Why are descriptive statistics so important?

SOLTION

A.They allow us to get to know our data

4.For each of the variables listed below, indicate which variable is discrete and which variable is continuous:

a. Number of beds in a hospital

SOLUTION

Discrete

b. Height in inches or centimeter

SOLUTION

Continuous

c. Number of pregnancies a woman has had

SOLUTION

Discrete

d. Amount of time spent sleeping

SOLUTION

Continuous

e. Body temperature measured in Fahrenheit/Celsius degrees

SOLUTION

Continuous

5.For each of the variables listed below, indicate whether the measurement is nominal, ordinal, interval, or ratio:

a. Degrees on the Celsius scale

SOLUTION

Interval

b. Runners’ ranking in a race (1st, 2nd, etc.)

SOLUTION

Ordinal

c. Number of cigarettes smoked per day

SOLUTION

Ratio

d. Scores on a 100-point scale measuring nurses’ empathy

SOLUTION

Interval

e. Adherence versus nonadherence to a treatment regimen

SOLUTION

Nominal

f. Academic rank (professor, associate professor, etc.)

SOLUTION

Ordinal

g. Type of delivery (vaginal vs. cesarean)

SOLUTION

Nominal

h. White blood cell count

SOLUTION

Ratio

i. In a study on patient satisfaction with a particular nursing procedure, 25 patients were asked to rate the procedure on the scale “very negative”, “negative”, “neutral”, “positive”, “very positive”.

SOLUTION

Ordinal

6.The equation is best known as

SOLUTION

1.Sum of all the squared values of the variable x in the data set

7.Obtain for the following sets of numbers.

a. 5, 10, 12

SOLUTION

b. 61, 70, 90, 85

SOLUTION

8.The equation is best known as the

SOLUTION

C.Square of the sum of all the values of the variable x in the data set.

15.For the following situations, specify the independent and dependent variable being measured and the measured and specify the measurement scale (nominal, ordinal, interval, and ratio).

a. A nurse wishes to determine the effect of visual imagery and music therapy on blood pressure of a group of geriatric patients in a long term care facility.

SOLUTION

Independent variable=visual imagery and music therapy. nominal measurement

Dependent variable=blood pressure. ratio measurement

b. In a study of the effect of behavior modification and a twelve step recovery program on newly diagnosed alcoholics, a nurse researcher determined the number of relapse episodes on a group of recovering alcoholics in the Southeast.

SOLUTION

Independent variable=behavior modification and music therapy. nominal measurement

Dependent variable= number of relapse episodes. interval measurement

c. In a study of the effect of massage therapy on lower back pain, an investigator determined the pain score of the patients after they had a one hour session of deep tissue massage therapy.

SOLUTION

Independent variable=massage therapy. nominal measurement

Dependent variable= pain score. ordinal measurement

d. A nurse researcher wanted to determine the relationship between years of RN experience, specialty certification and hospital acquired urinary tract infections on ICU patients.

SOLUTION

Independent variable=years of RN experience (ratio measurement), specialty certification (nominal measurement) and hospital acquired urinary tract (nominal measurement)

Dependent variable= ICU patients. nominal measurement

e. A nurse educator wanted to determine the relationship between NCLEX prep classes and NCLEX pass rate?

SOLUTION

Independent variable=NCLEX prep classes. (ratio measurement)

Dependent variable=NCLEX pass rate.

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