University of Sargodha BS 7th Semester / 3rd Semester (5"h Intake) Exam 2025 Subject: Zoology Paper: Biostatisties (Z00L-6116/2001-6312)
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Paper text
University of Sargodha
BS 7th Semester / 3rd Semester (5"h Intake) Exam 2025
Subject: Zoology
Paper: Biostatisties (Z00L-6116/2001-6312)
Time Allowed: 02:30 Hours
Maximum Marks: 40
Note: Objective part is compulsory. Attempt any three questions from subjective part.
Objective Part
(Compulsory)
0.1
Write short answers of the following in 2-3 lines of each on your answer sheet.
(2*8)
Find the Mean: 2,4,6,8,10,12. 7
State the significance of tabulation.
What are the components of gantt chart?
Define negative regression with suitable example.
State the assumptions of ANOVA.
Define the term median and state its formula for grouped and ungrouped data.
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Differentiate the terms: negative and positive correlation
vin.
Define mutually exclusive events.
Q.2.
Q.3.
Q.4.
Q.5.
Q.6.
Subjective Part
(3*8)
Find Quartile Deviation & its coefficient from the following data:
Groups
40-49
50-59
60-69
70-79
80-89
Frequency
5
11
10
6
7
Explain various types of probability sampling with examples
A research study was conducted to examine the clinical efficacy of a new pain killer. Patients were
randomly assigned to one of following groups. After four weeks of treatment, the patients
completed the experiments. The higher the score, the more effective drug will be. The data is
presented below. Compute the appropriate test. (Tabulated value: 6.93)
Group 1
Group 2
Group 3
40
21
16
48
18
27
36
10
19
24
25
18
Calculate the standard deviation and coefficient of variation of ages of factory workers who are
insured under a group health insurance policy:
Ages
15-24
25-34
35-44
45-54
55-64
Frequency
22
25
42
38
24
Mr Clark claimed that there was a close match between the age distribution of men in the observed
sample and all men in Australia between the age of 20 and
44. This is especially true in the youngest
and oldest age brackets. Check that either the claim of no difference in age is true or not. (Tabulated
value: 5.991)
Age
Observed frequency
Percentage in census
20-24
104
19
25-34
215
51
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35-44
172
34
Total
492
102
For expected frequency follow this formula: Total observed frequency X (%age census of
respective group/100).
- LK-4938/11-07-25
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