Question:
Median and Mode of a distribution are 25 and 21 respectively. Mean of the data using empirical relationship is:
Median and Mode of a distribution are 25 and 21 respectively. Mean of the data using empirical relationship is:
Options:
- 27
- 29
- 18
- 29/3
- 27
- 29
- 18
- 29/3
Correct Answer: a)
Explanation:
‘
Mode = 3 median – 2 mean
‘ 21=3 x 25-2 mean
‘ 2 mean= 75-21 ‘
1 mean = 2 1
1 mean = 27
nua
d)X=0,1, 2; yes
‘
‘
Mode = 3 median – 2 mean
‘ 21=3 x 25-2 mean
‘ 2 mean= 75-21 ‘
1 mean = 2 1
1 mean = 27
nua
d)X=0,1, 2; yes
‘