Michael appeared in an examination and obtained the following marks out of 100.
NameMichaelPhysics87Chemistry82Biology82Mathematics98
Measure the central tendency of the above data.
Mean = 87.25, Median = 84.5, Mode = 82
The Central tendency has three measures namely mean, median and mode.
Mean =87+82+82+984=87.25.
Since the number of observations is even, the median would be the average of the middle terms arranged in either ascending or descending order.
Median
= (n2)th term +(n2+1)th term2
= 87+822
= 84.5
The mode is the most frequently occurring value in the observation table, which is equal to 82.