HLT362V Statistic For Nursing Research
Questions
Calculating Descriptive Statistics
Answers
Calculating Descriptive Statistics
1. What is the mean age of the sample data? The mean of age for sample data is 56.5 years, mean is when you add up all data and divided by the number data points
Descriptive Statistics 


N 
Mean 
Age 
10 
56.50 
Valid N (listwise) 
10 

Tobacco 


Frequency 
Percent 
Valid Percent 
Cumulative Percent 

Valid 
C 
1 
10.0 
10.0 
10.0 
F 
7 
70.0 
70.0 
80.0 

N 
2 
20.0 
20.0 
100.0 

Total 
10 
100.0 
100.0 

Descriptive Statistics 


N 
Std. Deviation 
Age 
10 
19.260 
Valid N (listwise) 
10 

Statistics 

Age 

N 
Valid 
10 
Missing 
0 

Percentiles 
25 
40.00 
50 
52.50 

75 
79.00 
The interquartile range is 39.00.
Lower bound for Outlier = 40 .00 – 1.5*39.00 = 18.5
Upper bound of Outlier = 79.00 +1.5*39.00 = 137.5
Since all age’s are within the upper and lower hence there are no Outlier’s.
Descriptive Statistics 


N 
Range 
Minimum 
Maximum 
Age 
10 
51 
35 
86 
Valid N (listwise) 
10 



Biologic 


Frequency 
Percent 
Valid Percent 
Cumulative Percent 

Valid 
Enbrel 
2 
20.0 
20.0 
20.0 
Etanercept 
2 
20.0 
20.0 
40.0 

Infliximab 
3 
30.0 
30.0 
70.0 

Remicade 
3 
30.0 
30.0 
100.0 

Total 
10 
100.0 
100.0 

Diagnosis 


Frequency 
Percent 
Valid Percent 
Cumulative Percent 

Valid 
IBD 
3 
30.0 
30.0 
30.0 
Psoriatric Arthritis 
1 
10.0 
10.0 
40.0 

RA 
5 
50.0 
50.0 
90.0 

Reactive Arthritis 
1 
10.0 
10.0 
100.0 

Total 
10 
100.0 
100.0 

Diagnosis 


Frequency 
Percent 
Valid Percent 
Cumulative Percent 

Valid 
IBD 
3 
30.0 
30.0 
30.0 
Psoriatric Arthritis 
1 
10.0 
10.0 
40.0 

RA 
5 
50.0 
50.0 
90.0 

Reactive Arthritis 
1 
10.0 
10.0 
100.0 

Total 
10 
100.0 
100.0 

OneSample Test 


Test Value = 0 

t 
df 
Sig. (2tailed) 
Mean Difference 
95% Confidence Interval of the Difference 

Lower 
Upper 

Age 
9.277 
9 
.000 
56.500 
42.72 
70.28 
Diagnosis 


Frequency 
Percent 
Valid Percent 
Cumulative Percent 

Valid 
IBD 
3 
30.0 
30.0 
30.0 
Psoriatric Arthritis 
1 
10.0 
10.0 
40.0 

RA 
5 
50.0 
50.0 
90.0 

Reactive Arthritis 
1 
10.0 
10.0 
100.0 

Total 
10 
100.0 
100.0 
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