If the median of x, 2x, 4x is 12, then find mean of the data.
Answers
Answered by
2
mean of the data=14
Step-by-step explanation:
median = 12
2x = 12
x = 6
Therefore numbers are 6,12,24
sum of all number = 42
mean = 42÷3
= 14
Answered by
3
Step-by-step explanation:
Data :- x, 2x, 4x
Number of observations = 3
Median = 12
=> (3+1)/2 th observation = 12
=> 4/2 th observation = 12
=> 2nd observation = 12
=> 2x = 12
=> x = 12/2
.°. x = 6
Therefore,
Mean
= x + 2x + 4x/3
= 7x/3
= 7 × 6/3
= 7 × 2
= 14
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