Question

the median an mode of a distribution are 7.5 and 6.5 respectively. find the mean

Answer 1

Answer:

8

Step-by-step explanation:

mean -mode =3(mean-median)

mean -6.5=3(mean-7.5)

mean -6.5=3×mean-22.5

2×mean =16

mean =8

Answer 2

The mean is 8

Step-by-step explanation:

Median = 7.5

Mode = 6.5

Empirical formula : 3 Median - 2 Mean = Mode

Substitute the values :

$3(7.5)-2 mean = 6.5\\\frac{3(7.5)-6.5}{2}=Mean\\8 = Mean$

Hence The mean is 8

#Learn more:

For what value of 'a' 4,6,a,9,10,19 will 7.5 be the median

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