1
Mark the incorrect statement
A)
High degree of correlation 0.75 < r < 1
B)
Moderate 0.25 < r < 0.75
C)
Low degree of correlation 0 < r < 0.25
D)
None of the above
Answer & Solution
Answer: Option
D
2
Match the following
List-I (Moments) List-II (Constants of Binomial Distribution)
a. μ1
1. 0
b. μ2
2. 3n2 p2 q2 + npq (1 - 6pq)
c. μ3
3. npq (q - p)
d. μ4
4. (npq)
A)
a-1, b-2, c-3, d-4
B)
a-1, b-4, c-3, d-2
C)
a-3, b-1, c-2, d-4
D)
a-4, b-1, c-3, d-2
Answer & Solution
Answer: Option
B
3
What is the probability of getting all the heads in four throws of a coin?
A)
$$\frac{1}{{13}}$$
B)
$$\frac{{12}}{{16}}$$
C)
$$\frac{{11}}{{16}}$$
D)
$$\frac{1}{{16}}$$
Answer & Solution
Answer: Option
D
4
The mean wage of a certain group of workers is 500 rupees and s is 100. Find what percentage of workers get above 375 rupees
A)
39.12%
B)
89.44%
C)
80.43%
D)
16.12%
Answer & Solution
Answer: Option
B
5
System analysis helps in
A)
Evaluating the system for computerisation and its placement in the total MIS
B)
Understanding the objectives achieved by the existing system
C)
Both A and B
D)
None of the above
Answer & Solution
Answer: Option
C
6
The probability of a bomb hitting a target is 1 /5 . Two bombs are enough to destroy a bridge. If six bombs are aimed at the bridge, find the probability that the bridge is de stroyed
A)
0.79
B)
0.39
C)
0.16
D)
0.36
Answer & Solution
Answer: Option
B
7
While correlation analysis tests the . . . . . . . . with which two or more phenomena covary, regression analysis measures the nature and extent of this relation, this enabling as to make prediction.
A)
Closeness
B)
Validity
C)
Realisation
D)
Separation
Answer & Solution
Answer: Option
A
8
Which of the following features must be kept in mind while formulating questionnaire?
A)
Pilot testing
B)
Deciding between unstructured and structured questions
C)
Defining target population
D)
All of the above
Answer & Solution
Answer: Option
D
9
The features of LAN consist
A)
A departmental integrity and implementation of the critical application
B)
A customised application environment
C)
A multiuser cost effective environment
D)
All of the above
Answer & Solution
Answer: Option
B
10
Degree of correlation includes
A)
perfect correlation
B)
absence of correlation
C)
limited degree of correlation
D)
all of the above
Answer & Solution
Answer: Option
D
