Business Statistics And Research Methods - Study Mode

[#811] Which measure of dispersion can be computed in case of open-end classes?
Correct Answer

(C) Quartile deviation

[#812] Statistics is the science of means
Correct Answer

(D) Bowley

[#813] In the special rule of addition of probability, the events are always:
Correct Answer

(B) Mutually Exclusive Events

[#814] If mode is 25 and median is 20 then arithmetic mean will be
Correct Answer

(A) 17.50

[#815] While drawing a scatter diagram if all the points appear to form a straight line going downward from left to right, then it is inferred that there is a
Correct Answer

(C) perfect negative correlation