final exams

ST. TONIS COLLEGE, INCCollege of Nursing

Bulanao, Tabuk City

Biostatistics: Final Examination

Name : Section : Date :

Compute for the following items.1. Determine if there is a rank relationship of grades of nursing students in NCM 102 with their

performance in NLE-Nursing Practice 2. Compute and interpret for the Spearman’s rho.Student

sNCM 102

NLE-NP 2 Students

NCM 102

NLE-NP 2

1 85 85 11 86 832 91 88 12 85 873 85 87 13 82 804 90 89 14 90 925 89 89 15 91 886 90 88 16 85 897 87 85 17 90 908 83 84 18 83 829 84 86 19 85 82

10 80 81 20 80 81

2. Determine if there is relationship of Mobility (Reach) and Health Index among elderly in the community. Compute and interpret for the Pearson’s r.

Elderly

Mob

HI Elderly

Mob

HI Elderly

Mob

HI Elderly

Mob

HI

1 8 4 11 4 2 21 6 3 31 6 52 10 5 12 8 4 22 8 5 32 4 23 6 5 13 10 8 23 2 1 33 4 24 6 4 14 4 1 24 2 0 34 4 15 4 3 15 2 1 25 4 1 35 10 56 8 3 16 2 0 26 0 1 36 6 37 10 5 17 2 0 27 10 5 37 8 38 10 5 18 0 1 28 8 5 38 4 19 2 1 19 2 1 29 6 4 39 2 0

10 4 5 20 0 2 30 8 4 40 2 1

3. The specific research problem below is, “Is there a significant in the economic status of Filipino nurses employed in the US, UK, ME?” Compute for the x²:

Economic Status US UK MEAbove Middle Class

80 75 55

Middle Class 40 55 45

a. State the null hypothesis:…

b. Compute chi-square:

c. What is the df?

d. What is the tabular value at 0.05 level?TV=3.84

e. Interpret the results.

f. Do you accept or reject the null hypothesis? Why?

4. The specific research problem below is, “Is there a significant difference in the performance of clinical instructors with different educational qualifications teaching in St. Tonis College?” Compute for the x².

PerformanceEducational Qualifications

Ph. D. MAN MAN units BSN

Outstanding 30 20 15 10Very Satisfactory

10 25 40 35

Satisfactory 5 20 45 70

a. State the null hypothesis:

b. Compute chi-square:

c. What is the df?

d. What is the tabular value at 0.05 level?



5. Mr. Y conducted a study on the effectiveness of teaching Pediatric Nursing using Method 1 and Method 2 to nursing students. Compute for the t-test.

Subjects

Method 1 Score

Method 2 Score

1 75 702 70 503 75 604 95 855 90 706 92 827 73 558 88 779 80 74

10 84 7111 78 5812 93 8213 92 8114 88 7815 89 80


b. What is the appropriate biostatistical tool?

c. What is the computed value?

d. What is the degree of freedom?

e. What is the TV at 0.05 level of significance?

f. Interpret the results.

g. Do you accept or reject the null hypothesis? Why?

6. Miss X conducted a study on the systolic pressure of female nursing students who reside in urban and rural areas. Compute for the z-test.

Student

Urban

Student

Rural Student

Urban

Student

Rural

1 120 1 110 16 140 16 1202 130 2 100 17 140 17 1303 125 3 120 18 110 18 904 120 4 100 19 110 19 1005 140 5 110 20 150 20 1106 115 6 90 21 125 21 1207 120 7 100 22 130 22 1008 130 8 110 23 140 23 1209 150 9 100 24 150 24 10010 140 10 90 25 130 25 10011 130 11 125 26 110 26 11012 130 12 110 27 100 27 12013 140 13 110 28 120 28 9014 150 14 100 29 115 29 13015 120 15 90 30 110 30 130




d. What is the TV at 0.05 level of significance?



7. Miss X conducted a study to determine if there is a significant difference in the weight increment of bottle-fed infants, breast-fed infants and mixed-fed infants using Vitamin 1 as supplement.

Treatment of Mean Weight Increment/Month

Infants (kg)1 2 3 4 5

Bottle-fed 2.1 3.3 3.2 3.5 3.8Breast-fed 3.8 5.7 6.3 7.2 8.3Mixed-fed 3.2 3.8 4.0 4.4 5.0







g. Show summary of computation below.

8. Miss Y conducted a study to determine if there is significant difference on effectiveness in the teaching of Nursing Research using Method 1, Method 2, and Method 3 to nursing students in St. Tonis College.

NursingStudent

s

Methods of Teaching

1 2 31 70 80 902 60 70 803 72 80 914 65 73 825 70 78 886 73 82 937 60 72 818 58 65 789 72 80 9210 62 72 8211 63 80 8312 70 70 9013 60 82 8014 73 73 9315 62 73 82







g. Show summary of computation below.

final exams

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