Business Statistics and Research Methods MCQs

The degree of peaked or flatness of a unimodal distribution is called:

Which of the following statement is correct? i. In the creation of index only representative times are selected ii. If the price of wheat increases by 50% and the price of salt decreases by 50%, the CPI will remain unchanged

Company A produces 10% defective products, Company B produces 20% defective products and C produces 5% defective products. If choosing a company is an equally likely event, then find the probability that the product chosen is defective.

When variations in the values of two variables have a constant ratio, there will be:

Which of the following is a data? i. The weight of Ram is 80 kg while that of Shyam and Mohan is 85 and 65 kg respectively ii. Hari's age is 55 years iii. A sold less than B, B sold more than C iv. ram's height is 5'6", Shyam's weight is 70 kg and Sohan's age is 40 years Select your answer from the options given below

In case of positively skewed distribution, the extreme values lie in the:

Which of the following is not a correct statement about a probability?

If for a given data, mode = 5, median = 15 and mean = 20, it means that the sample data is-

Assertion (A) If a random sample of 'n' observations is taken from a binomial population with parameter as p, the sampling distributions will be a standard deviation which is normally distributed. Reason (R) Standard deviation of binomial distribution $$\sigma P = \sqrt {\frac{{pq}}{n}} ,$$ where q = 1 - p