FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
For the set of data below, which statement is correct.55, 60, 76, 88, 92, 111, 120
|
|
Any value below 4 or above 162 is an outlier.
|
|
|
Any value below-21.5 or above 196.5 is an outlier.
|
|
|
Any value below-16.5 or above 187.5 is an outlier.
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -The Z-value helps to identify the outliers. Z = (x-)/ where is the mean of the data and is the standard deviation of the data. The data with Z-values beyond 3 are considered as outliers.
Detailed explanation-2: -Definition of outliers. An outlier is an observation that lies an abnormal distance from other values in a random sample from a population.
There is 1 question to complete.