Question

Progress
Check
1. The sum of all the observations divided by number of observations
2. If the sum of 10 data values is 265 then their mean is
3. If the sun and mean of a data are 407 and 11 respectively, the
observations in the data are
f Disnersion​

Answer 1

Explanation:

1 Mean

2 mean is sum of all observations divided by no of observations

mean = 265/10 = 26.5

3 Mean = sum of all observations

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no of observations

11 = 407 / n

n = 407 / 11

n = 37