Question

find the mean of 1/2,2/5,3/2,7/2​

Answer 1

step by step explanation

first arrange the observations in ascending order

2/5+1/2+3/2+7/2/4=sum of observations / total number of observations.

so,

2 is LCM

2+1+3+7/2/4

3+3+7/2/4=6+7/2/4=13/2/4

13*4/2=

56/2=26

the mean of the observations is 26

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Answer 2

steps to do

• the formula is ,::
• sum of observation/ number of observation
• then put the numbers in this
• then put it in the simplest form
• 1, 2,2,2,2,3,5,7
• sum of observation 24
• number of observation 8
• 24/8
• 3 is median