METHODS OF DATA ANALYSIS
MEASURES OF CENTRAL TENDENCY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
37
|
|
|
38
|
|
|
40
|
|
|
46
|
Detailed explanation-1: -therefore, the third quartile is 40.
Detailed explanation-2: -The upper quartile, or third quartile (Q3), is the value under which 75% of data points are found when arranged in increasing order.
Detailed explanation-3: -The third Quartile of the 75th Percentile (Q3) is given as: Third Quartile(Q3)=(3(n+1)/4)th Term also known as the upper quartile. The interquartile range is calculated as: Upper Quartile – Lower Quartile.
Detailed explanation-4: -The total of 100% is split into four equal parts: 25%, 50%, 75% and 100%. The first quartile (or lower quartile), Q1, is defined as the value that has an f-value equal to 0.25. This is the same thing as the twenty-fifth percentile. The third quartile (or upper quartile), Q3, has an f-value equal to 0.75.