Business Statistics and Research Methods MCQs

If a perpendicular on X-axis from the point of intersection of both 'less than' and 'more than' frequency curves is drawn, it gives the value of

Match the items of List-I with the items of List-II and select the correct answer: List-I List-II a. Standard error of mean 1. $$Ha:{\mu _1} \ne {\mu _2}$$ b. Base of point estimate of the mean of the population 2. Values based on all the observations of the population c. Non-specific hypothesis 3. Mean of the sampling distribution of mean d. Parameter value of descriptive statistics 4. Standard deviation of the sampling distribution of mean

If the value of coefficient of determination is 0.64, what is the value of coefficient of correlation?

To study the economic condition of the workers of a factory, universe will be

Sampling distribution of mean is very close to the standard normal distribution when

Statement I: The absolute value of the difference between an unbiased estimate and the corresponding population parameter is called sampling error. Statement II: Multi-stage sampling is a restricted non-probability based sampling technique.

When the data are classified only on the basis of descriptive characteristics which cannot be quantified is known as

The difference of two means in case of small samples is tested by the formula:

Classification of respondents only on the basis of gender is an application of