find the mean and median of first 10 prime numbers
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The first 10 prime numbers are 2,3,5,7,11,13,17,19,23,29
n=10 (even)
median=(n/2 th observation+(n+1)/2 th observation)/2
=(10/2 th observation+11/2 th observation)/2
=(5 th observation+6 th observation)/2
=(11+13)/2
=24/2
=12
n=10 (even)
median=(n/2 th observation+(n+1)/2 th observation)/2
=(10/2 th observation+11/2 th observation)/2
=(5 th observation+6 th observation)/2
=(11+13)/2
=24/2
=12
vivekyadavima21952:
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Answered by
2
Given:
We have prime numbers.
To Find:
We have to find the mean and median of the first prime numbers?
Step-by-step explanation:
- First 10 prime number are 2,3,5,7,11,13,17,19,23,29.
- Now mean of a set of data is given by the sum of observations divided by the total number of observations.
- Sum of first 10 prime number will be
- Now mean of the above observation will be
- Hence, mean of first 10 prime numbers will be 12.9
- Now For median we have data2,3,5,7,11,13,17,19,23,29.
- As the above data is already in ascending form and number of terms is 10.
- For even number of terms median of data it given by the formula.
- Now put the value of n is 10 in the above equation.
- Now we have the 5th term in the above data is 11 and 6th term is 13 put in above equation.
- Hence, the median of data is 12.
Thus mean is 12.9 and median is 12.
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