Question

The sum of 11 observations is 231 and mode is 18. The median of the
observations is​

Answer 1

Answer:

mean is =231/11=21

mode is 18

we know that

3median=2mode+mean

3median=2x18+21

3median=36+21

3 median=57

median=19

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Answer 2

Answer:

Step-by-step explanation:

Mean 231/11=21

Mode= 18

Z = 3m - 2x

18 =3m - 2×21

18 = 3m - 42

18+42 = 3m

60 =3m

M = 60/3

M= 20

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