Question

for a moderately skewed distribution of marks in statistics for a group of 100 students, the mean marks and median mark were found to be 50 and 40. what is the modal marks?​

Answer 1

Answer:

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Answer 2

20

Explanation:

Most frequent digit in a series or a question is called mode.

Given:

Number of Student = 100

Mean(x) = 50

Median(M) = 40

Mode = ?  

Calculation :

By using the relation between mean , median and mode

Mode =  3 Median - 2 Mean

Mode = 3(M) - 2(x)

Mode = 3(40) - 2(50)

Mode = 120 - 100

Mode = 20

Therefore , the mode of 100 student will be 20

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