Question

Choose the odd one.

• A. Mean
• B. Mode
• C. Median
• D. Index number

Answer 1

Answer: (D)

Index number

Mean, Median, Mode are all measures of central tendency and are used to summarize a particular data set.

Index numbers are not a measure of central tendency, rather they are tools for measuring changes in the magnitude of a variable or a group of related variables overtime with respect to a chosen base year. They are the series of variables that show the relative position of a variable (such as price, quantity of output etc).