RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

MEASURES OF VARIABILITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three measures of variation we have studied in this unit are ____
A
Range
B
Median
C
IQR
D
MAD
Explanation: 

Detailed explanation-1: -Main Points Measures of central tendency tell us what is common or typical about our variable. Three measures of central tendency are the mode, the median and the mean. The mode is used almost exclusively with nominal-level data, as it is the only measure of central tendency available for such variables.

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