Business Statistics and Research Methods MCQs

Which of the following is not a theoretical distribution of probability?

The statistical study begins with collection of data and ends with

Consider the following statements: 1. Correlation analysis helps in determining the relationship between two or more variables it does not tell us anything about the cause and effect relationship 2. The ratio of explained variation to the 1 total variation is called the coefficient of correlation 3. Pearsonian coefficient always assumes linear relationship and is unduly effected by the extreme items Which of the above statements is/are correct?

Match the following. List-I (In Case of Correlation) List-II (Value of 'r') a. Perfect positive 1. 0 b. Perfect negative 2. +1 c. No correlation 3. -1

Sample proportion taken from a population is equal to

One of the following is not a method of studying dispersion:

Which one of the following is not a measure of disperison?

Which of the following can be calculated for grouped data with open-ended classes?

Which average is most affected by extreme values?