HLT362V Statistic For Nursing Research

Questions

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.

2. What percentage of patients never used tobacco? 20% of the patients never used tobacco meaning only 2 out of 10 patients.

3. What is the standard deviation for age? When using the SPSS the SD comes out to be 19.26 years

4. Are there outliers among the values of age? Provide a rationale for your answer. It’s a subject that’s unusually high or low from the mean simple calculation. An outlier can mess around with a data and make the interpretation outcomes difficult. If you find an outlier you can also find an interquartile range of the distribution and an outlier age that’s about 1.5 times outside the interquartile range.

5. What is the range of age values? When the lowest age is calculated by the highest the range is 51.

6. What percentage of patients had been taking Infliximab? 60% of the patients was taking were taking infliximab, so it’s 6 out of every 10 patients.

7. What percentage of patients had rheumatoid arthritis as their primary diagnosis? 50% of the patients has rheumatoid arthritis as their diagnosis, so it’s 5 out of 10 patients.

8. What percentage of patients had irritable bowel syndrome as their primary diagnosis? 30% of patients had irritable bowel syndrome (IBS), so it’s 3 out of every 10 patients.

9. What is the 95% CI for age? As I look at the descriptive statistics using SPSS for age, there’s 95 % confidence interval, the mean is 42.72 years of the lower bound and 70.28 years for the upper bound

10. What percentage of patients had psoriatic arthritis as their primary diagnosis? 30% of patients of patients were African American, there are not Hispanic origin.

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

2. What percentage of patients never used tobacco? 20% of the patients never used tobacco meaning only 2 out of 10 patients.

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

3. What is the standard deviation for age? When using the SPSS the SD comes out to be 19.26 years

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

Statistics
Age
N	Valid	10
N	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.

5. What is the range of age values? When the lowest age is calculated by the highest the range is 51

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

6. What percentage of patients had been taking Infliximab? 30% of the patients was taking were taking infliximab, so it’s 3 out of every 10 patients.

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

7. What percentage of patients had rheumatoid arthritis as their primary diagnosis? 50% of the patients has rheumatoid arthritis as their diagnosis, so it’s 5 out of 10 patients.

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

8. What percentage of patients had irritable bowel syndrome as their primary diagnosis? 30% of patients had irritable bowel syndrome (IBS), so it’s 3 out of every 10 patients.

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

One-Sample Test
	Test Value = 0
	t	df	Sig. (2-tailed)	Mean Difference	95% Confidence Interval of the Difference
					Lower	Upper
Age	9.277	9	.000	56.500	42.72	70.28

10. What percentage of patients had psoriatic arthritis as their primary diagnosis? 10% of patients had Psoriatric Arthritis.

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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HLT362V Statistic For Nursing Research

Questions

Calculating Descriptive Statistics

Answers

Calculating Descriptive Statistics

Descriptive Statistics

Tobacco

Descriptive Statistics

Statistics

Descriptive Statistics

Biologic

Diagnosis

Diagnosis

One-Sample Test

Diagnosis

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