HARD
11th CBSE
IMPORTANT
Earn 100

Calculate the mean deviation about the mean of the set of first natural numbers when is an odd number.

Important Questions on Statistics
MEDIUM
11th CBSE
IMPORTANT

MEDIUM
11th CBSE
IMPORTANT
Find the standard deviation of the first natural numbers.

HARD
11th CBSE
IMPORTANT

HARD
11th CBSE
IMPORTANT
.

MEDIUM
11th CBSE
IMPORTANT

MEDIUM
11th CBSE
IMPORTANT
The frequency distribution:
where is a positive integer, has a variance of . Determine the value of .

MEDIUM
11th CBSE
IMPORTANT
For the frequency distribution:
Find the standard deviation (round off to two decimal places).

HARD
11th CBSE
IMPORTANT
There are students in a class. The following is the frequency distribution of the marks obtained by the students in a test:
Marks | ||||||
Frequency |
where, is positive integer. Determine the mean and standard deviation of the marks.
