Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc. in Biotechnology 2020 March Previous Question Papers
1 | M-47031 (S2)-1390
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(BT) (2014 to 2017) (Sem.?1)
BIOSTATISTICS
Subject Code : BSBTM-09
M.Code : 47031
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.
SECTION?A
1. Write briefly :
a) What do you mean by Raw Data?
b) Explain the notations x, ? .
c) Describe Relative dispersion.
d) What are Ogives?
e) Differentiate between Simple and Combined arithmetic mean.
f) Define two-tailed test.
g) What are Leptokurtic curves?
h) Explain Cumulative Frequency.
i) What do you mean by Geometric Mean?
j) What are the pre-requisites of ?
2
test?
FirstRanker.com - FirstRanker's Choice
1 | M-47031 (S2)-1390
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc.(BT) (2014 to 2017) (Sem.?1)
BIOSTATISTICS
Subject Code : BSBTM-09
M.Code : 47031
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.
SECTION?A
1. Write briefly :
a) What do you mean by Raw Data?
b) Explain the notations x, ? .
c) Describe Relative dispersion.
d) What are Ogives?
e) Differentiate between Simple and Combined arithmetic mean.
f) Define two-tailed test.
g) What are Leptokurtic curves?
h) Explain Cumulative Frequency.
i) What do you mean by Geometric Mean?
j) What are the pre-requisites of ?
2
test?
2 | M-47031 (S2)-1390
SECTION-B
2. Differentiate between Random sampling and Non - Random sampling.
3. The number of Basophils (a kind of WBC) of 30 patients of T.B. was recorded in
frequencies. Calculate the Gemoetric Mean.
No. of Basophils 11 14 17 19 22
Frequencies 5 6 8 7 4
4. What do you mean by dispersion? Describe different types of dispersions.
5. What is analysis of variance? Explain the technique of analysis of variance for data with
one-way classification.
6. What is ?
2
test? Enumerate the hypothesis on which it is based.
SECTION-C
7. What do you mean by Test of Significance of a Mean? Define Standard error of mean
and Standard error of Standard Deviation.
8. What are the various ways to present the statistical data? Explain different types of
Graphic Representation of Grouped data.
9. Determine the value of Chi-square from the following data :
X
1
X
2
X
3
Y
1
7 8 5
Y
2
8 9 6
Y
3
9 7 8
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
FirstRanker.com - FirstRanker's Choice
This post was last modified on 02 April 2020