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# Statistics and methodology - Statistics and Methodology Multiple Choice Questions

6:

Which of the following statement is/are correct?

 A. A system is defined and determined by its boundaries and objectives B. If a system is functioning in isolation from the environment, then the system does not have any exchange with the environment nor is it influenced by the environmental changes C. The information system is a combination of a person, the hardware and the software D. All of the above Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
7:

Match the following

List-I (Phases of decision making process)

(A) Intelligence

(B) Design

(C) Choice

List-II (Explanation)

1. Inventing, developing, and analyzing possible courses of action. This involves processes to understand the problem, to generate solutions, and to test solutions for feasibility.

2. Selecting an alternative or course of action from those available. A choice is made and implemented.

3. Searching the environment for conditions calling for decisions. Data inputs are obtained, processed, and examined for clues that may identify problems or opportunities.

 A. (A) (B) (C) 1    2    3 B. (A) (B) (C) 3    1    2 C. (A) (B) (C) 2    3    1 D. (A) (B) (C) 1    3    2 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
8:

If r12 = 0.9, r13 = 0.75, r23 = 0.7, find r1.23

 A. 0.39 B. 0.916 C. 0.316 D. 0.36 Answer Report Discuss Option: B Explanation : Hence the answer is (b) Click on Discuss to view users comments. Write your comments here:
9:

160 heads and 240 tails resulted from 400 tosses of a coin. Find a 95% confidence interval for the probability of a head. Does this appear to be a fair coin?

 A. Cannot be said to be fair B. Can be or cannot be said to be fair C. Can be said to be fair D. Yes with +1 Answer Report Discuss Option: A Explanation : Chance of getting head 1 or      p = 1/2 Expected frequency = np = 400 x 1/2 = 200 Standard error = √npq = √1/2 x 1/2 x 400 = 10 Actual difference = 200 - 160 = 40. This difference is greater than three times of the standard error. Hence the coin cannot be said to fair. Hence the answer is (a). Click on Discuss to view users comments. Write your comments here:
10:

Yaties correction of continuity is

 A. B. C. D. None of the above Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:

• These Statistics and Methodology  questions can be used to prepare for interviews.
• Statistics and Methodology  MCQ can be used for the preparation of quizzes
• Statistics and Methodology  Questions Answers can be used to prepare for UGC NET Commerce, UGC NET JRF and many more.
• Statistics and Methodology  objective type questions answers can be used in the preparation of Ph. D Entrance exams.
• Statistics and Methodology  multiple choice questions answers can be used to gain a credit score in various undergraduate and post graduate courses.
• These questions can also be used by any students for improving their knowledge in Statistics and Methodology .
• These mcq can also be used by any student of XI or XII standard who has opted to study commerce to increase his knowledge in Statistics
and Methodology .
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