RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

MEASURES OF CENTER AND SPREAD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
For the data given here what is the range:15, 17, 19, 15, 13, 14, 10, 21, 18, 19, 19
A
21
B
10
C
19
D
11
Explanation: 

Detailed explanation-1: -Hence, the mode of the given data is 15.

Detailed explanation-2: -The range in statistics for a given data set is the difference between the highest and lowest values. For example, if the given data set is 2, 5, 8, 10, 3, then the range will be 10 – 2 = 8. Thus, the range could also be defined as the difference between the highest observation and lowest observation.

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