Business Statistics And Research Methods - Study Mode
[#601] The geometric mean of 1, 2 and 4 is
Correct Answer
(B) 2
[#602] The harmonic mean of the following data 6, 10, 15 and 20 will be
Correct Answer
(C) 10.43
[#603] If a chi-square test is to be performed on a contingency table with 3 rows and 4 columns, how many degrees of freedom should be used?
Correct Answer
(A) 6
[#604] Karl Pearson's co-efficient of correlation between two variables is:
Correct Answer
(B) the square root of the product of their regression coefficients
[#605] The values of mean, median and mode are the same
Correct Answer
(C) In a symmetric distribution