RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

MEASURES OF CENTER AND SPREAD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the numbers below is NOT part of a 5 number summary used to create a boxplot?
A
minimum
B
first quartile
C
mean
D
third quartile
E
maximum
Explanation: 

Detailed explanation-1: -The mean is not used in a five number summary. A five number summary consists of the minimum value, the first quartile, the median, the third quartile, and the maximum value.

Detailed explanation-2: -A summary consists of five values: the most extreme values in the data set (the maximum and minimum values), the lower and upper quartiles, and the median. These values are presented together and ordered from lowest to highest: minimum value, lower quartile (Q1), median value (Q2), upper quartile (Q3), maximum value.

Detailed explanation-3: -The five number summary contains: minimum, maximum, median, mean and the standard deviation. All of these functions are implemented in the numpy module, you can either output them to the screen or store them in a variable.

There is 1 question to complete.