Business Statistics And Research Methods - Study Mode

Show All Answers

[#406] Consider the following statements. Assertion (A): When there is an evidence of a linear relationship between two variables, it may not always mean an independent-dependent relationship between the two variables. Reason (R): The causal relationship between the two variables may not imply a reasonable theoretical relationship between the two.

(A) Both (A) and (R) are true and (R) is the correct explanation

(B) Both (A) and (R) are true, but (R) is not the correct explanation

(C) (A) is true, but (R) is false

(D) (A) is false, but (R) is true

Correct Answer

(A) Both (A) and (R) are true and (R) is the correct explanation

[#407] Which of the following test(s) can be based on the normal distribution?

(A) Difference between independent means

(B) Difference between dependent means

(C) Difference between proportions

(D) All of the above

Correct Answer

(D) All of the above

[#408] Which of the following is fare included under the characteristic of useful hypothesis?

(A) Clarity

(B) Empiricism

(C) Specificity

(D) All of these

Correct Answer

(D) All of these

[#409] Assertion (A) The simple arithmetic mean will be equal to the weighted arithmetic mean, when all items are assigned equal weights. Reason (R) The simple arithmetic mean will be less than the weighted arithmetic mean when items of small values are given less weights and items of big values are give more weights.

(A) Both (A) and (R) are true

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(C) Both (A) and (R) are false

(D) (A) is true, but (R) is false

Correct Answer

(A) Both (A) and (R) are true

[#410] The probability that the political party A does a particular work is 30% and the political party B doing the same work is 40%. Then find the probability that the work is completed if the probability of choosing the political party A is 40% and that of B is 60%.

(A) 0.12

(B) 0.24

(C) 0.36

(D) 0.48

Correct Answer

(C) 0.36