# Statistics and methodology - Statistics and Methodology Multiple Choice Questions

86:

Suppose I discover that as I eat more vegetables, my body weight decreases. I have demonstrated

 A. a negative correlation B. a positive correlation C. random sampling D. a cause and effect relationship Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. Write your comments here:
87:

Given

 Sale price of product X Sale price of product Y 1 33 4 27 7 23 9 17 15 15 17 14 25 11 30 6

The above values expressed to the

 A. Linear correlation B. Negative correlation C. Positive correlation D. All of the above Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
88:

Type of network includes

 A. Bus topology B. Star topology C. Ring topology D. All of these Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
89:

DD-MM-YY or MM-DD-YY or YY-MM-DD code is related with

 A. Accounting processing B. Data processing C. Transaction processing D. Human valuation Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
90:

Match the following

List-I (Moments)     List-II (Constants of Binomial Distribution)

(A) μ1                         1. 0

(B) μ2                         2. 3n2p2q2+npq (1-6pq)

(C) μ3                         3. npq (q-p)

(D) μ4                         4. (npq)

 A. (A) (B) (C) (D) 1    2    3    4 B. (A) (B) (C) (D) 1    4    3    2 C. (A) (B) (C) (D) 3    1    2    4 D. (A) (B) (C) (D) 4    1    3    2 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:

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