Business Statistics and Research Methods MCQs

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

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.

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

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

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.

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%.

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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?

The word regression in statistics was first used by