Business Statistics And Research Methods - Study Mode
[#371] A rank correlation coefficient is being calculated, using the formula $$R = 1 - frac{{6sum {d^2}}}{{nleft( {{n^2} - 1}
ight)}}.$$ xa0 xa0If Σd 2 = 50 and n = 10, R will (to 2 decimal places) be
Correct Answer
(D) 0.70
[#372] Incorrect understandings, prestige bias, self interest, respondent's inability are the examples of
Correct Answer
(C) non-response error
[#373] Given is the following distribution of two variables x and y: x : 1 2 3 4 5 y : 3 4 5 6 7 The standard deviation of y is
Correct Answer
(A) Same as standard deviation of x
[#374] Standard error of number of successes is given by:
Correct Answer
(B) $$sqrt {{ ext{npq}}} $$
[#375] If first and third quartile is 40 and 80 respectively. The median is
Correct Answer
(A) 60