Question

Marks (X) frequency( f)
1 2
2 4
3 5
4 6
5 10
6 1
7 2
8 3

a. calculate the mean
b. calculate the median
c. calculate the standard deviation
d. calculate the variance ​

Answer 1

Answer:

Marks (X) frequency( f)

1 2

2 4

3 5

4 6

5 10

6 1

7 2

8 3

a. calculate the mean

b. calculate the median

c. calculate the standard deviation

d. calculate the variance

Step-by-step explanation:

Answer is d. calculate the variance