Question

3. Find mean, mode and median of the following data
123,120,100,90,40,30,40,90,40,20​

Answer 1

Answer:

Step-by-step explanation:

Mean=sum of observation/no. of observation     =123+120+100+90+40+30+40+90+40+20​/10

=693/10

=69.3

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n=10

n+1=11

n+1/2=11/2=5.5

the median is the 5.5th observation ie. 65

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Mode=40

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