Mean of first 10 natural numbers is
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The first 10 natural numbers are:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
To calculate the mean, use the formula:
Mean = (Sum of all observations) / (Number of observations).
Calculate the sum of the first 10 natural numbers.
This is an arithmetic progression (AP) with:
– First term (a) = 1,
– Last term (l) = 10,
– Number of terms (n) = 10.
The sum of an AP is given by:
Sum = n/2 × (a + l).
Substitute the values:
Sum = 10/2 × (1 + 10),
Sum = 5 × 11,
Sum = 55.
Calculate the mean.
Mean = Sum / Number of observations,
Mean = 55 / 10,
Mean = 5.5.
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