Question

Given average mean = 20 and mode is 18, find out median.
a) 19.33
b) 20
c) 18.50
d) None of these​

Answer 1

Answer:

Option a. 19.33

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Step-by-step explanation:

Given:

Mean=20

Mode= 18

Empirical Rule for mean median and mode:

Mean - Mode = 3(mean-median)

mode = 3median-2mean

20- 18 = 3(20-Median)

2 = 60- 3median

2 - 60 = - 3median

- 58 = - 3 median

-58/-3 = median

median = 19.333

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