Advertisements
Advertisements
प्रश्न
Find the mean of the first ten even natural numbers.
Advertisements
उत्तर
First ten even natural numbers = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.
Sum of all observations = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110
Number of observations = 10
Mean = `"Sum of all observations"/"Number of observations"`
∴ Mean = `110/10` = 11
APPEARS IN
संबंधित प्रश्न
The mean is one of the numbers in a data.
The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.
The mean of five numbers is 50, out of which mean of 4 numbers is 46, find the 5th number:
The number of members in the 40 families in Bhilar are as follows:
1, 6, 5, 4, 3, 2, 7, 2, 3, 4, 5, 6, 4, 6, 2, 3, 2, 1, 4, 5, 6, 7, 3, 4, 5, 2, 4, 3, 2, 3, 5, 5, 4, 6, 2, 3, 5, 6, 4, 2. Prepare a frequency table and find the mean of members of 40 families.
Two vessels contain 20 liters and 60 liters of milk respectively. What is the amount that each vessel would have if both share the milk equally?
The mean of a set of seven numbers is 81. If one of the numbers is discarded, the mean of the remaining numbers is 78. The value of discarded number is
The mean of the square of first 11 natural numbers is
The average of integers between −10 to 10 is __________
The mean of a data is defined as ______.
Find the mean of first six multiples of 4.
