Business Statistics And Research Methods - Study Mode
[#901] The null hypothesis of Kruskal-Wallis test is that the mean ranks of the groups are the same. The expected mean rank depends upon
Correct Answer
(D) $$frac{{n + 1}}{2}$$
[#902] Find the value of x 2 (chi-square) for the following information. Class A B C D E Observed Frequency 8 29 44 15 4 Expected Frequency 7 24 38 24 7
Correct Answer
(B) 6.76 approx
[#903] The portion of the total area covered in a normal curve under $$overline x pm 2.54sigma $$ xa0 is
Correct Answer
(C) 99%
[#904] Not rejecting null hypothesis, when it is infact false is
Correct Answer
(B) type II error
[#905] Choose the most appropriate answer: First hand data collected afresh for the purpose of statistical investigation is called:
Correct Answer
(C) Primary Data