Commerce · all questions

Business Statistics and Research Methods
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

1,153

Questions

50/58

Page

Pick an option on a question to see the right answer and solution.

Q981

The grouping of relating facts into classes is called

Select an option to see the answer and solution.

Q982

While calculating the coefficient of correlation, if the computed value comes as 0.959, then what will be the conclusion/interpretation?

Select an option to see the answer and solution.

Q983

Consider the following statements.
Assertion (A): When there is an evidence of a linear relationship between two variables, it may not always mean an independent-dependent relationship between the two variables.
Reason (R): The causal relationship between the two variables may not imply a reasonable theoretical relationship between the two.

Select an option to see the answer and solution.

Q984

Which of the following test(s) can be based on the normal distribution?

Select an option to see the answer and solution.

Q985

Which of the following is fare included under the characteristic of useful hypothesis?

Select an option to see the answer and solution.

Q986

Assertion (A) The simple arithmetic mean will be equal to the weighted arithmetic mean, when all items are assigned equal weights.
Reason (R) The simple arithmetic mean will be less than the weighted arithmetic mean when items of small values are given less weights and items of big values are give more weights.

Select an option to see the answer and solution.

Q987

The probability that the political party A does a particular work is 30% and the political party B doing the same work is 40%. Then find the probability that the work is completed if the probability of choosing the political party A is 40% and that of B is 60%.

Select an option to see the answer and solution.

Q988

Statistics can . . . . . . . .

Select an option to see the answer and solution.

Q989

In a factory, there are 1000 workers consisting of 400 white colour workers and 600 blue colour workers. In white colour workers, 300 are male workers; and in blue colour workers, only 200 are male workers. How many female workers are there in the factory?

Select an option to see the answer and solution.

Q990

The word regression in statistics was first used by

Select an option to see the answer and solution.

Q991

A small quartile deviation denotes . . . . . . . . in the central 50% of the observations.

Select an option to see the answer and solution.

Q992

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:

Select an option to see the answer and solution.

Q993

'Statistics may rightly be called as science of means.' Who given this definition-

Select an option to see the answer and solution.

Q994

Which work is not done in statistical Research-

Select an option to see the answer and solution.

Q995

Which measure of dispersion can be computed in case of open-end classes?

Select an option to see the answer and solution.

Q996

Statistics is the science of means

Select an option to see the answer and solution.

Q997

In the special rule of addition of probability, the events are always:

Select an option to see the answer and solution.

Q998

If mode is 25 and median is 20 then arithmetic mean will be

Select an option to see the answer and solution.

Q999

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

Select an option to see the answer and solution.

Q1000

Mean and variance of poisson distribution is equal to

Select an option to see the answer and solution.

Prev 48 49 50 51 52 Next