the number of saplings planted by student of a school in each row given below find the mean of data 2, 3, 4, 1, 2, 3, 1, 5, 4, 2, 3, 1, 3, 4, 3, 2, 3, 2
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2
2.6 is the right answer
Just add all observations and then divide them by no. of observations..
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7
mean = sum of observation/ no of observations
sum = 48
no.= 18
mean = 48/18
=2.622...
approximately = 2.6
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