Business Statistics and Research Methods MCQs

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Practice free Business Statistics and Research Methods multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 1366 questions — no login required.

Question 991medium
A small quartile deviation denotes . . . . . . . . in the central 50% of the observations.
Question 992hard
In a survey of a housing estate, 30% of tenants had satellite television and 80% had video recorders. The probability that a household chosen at random had either a satellite television or a video recorder is:
Question 993medium
'Statistics may rightly be called as science of means.' Who given this definition-
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Question 994medium
Which work is not done in statistical Research-
Question 995medium
Which measure of dispersion can be computed in case of open-end classes?
Question 996easy
Statistics is the science of means
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Question 997medium
In the special rule of addition of probability, the events are always:
Question 998hard
If mode is 25 and median is 20 then arithmetic mean will be
Question 999hard
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
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