Question

the marks obtain 15 student of std 8th in a test 10 marks are given below find the mean of the data 2,4,4,8,6,7,3,8,9,9,8,2,5,8,7​

Answer 1

Answer:

6

Step-by-step explanation:

1st arrange all the numbers in ascending order

= 2 2 3 4 4 5 6 7 7 8 8 8 8 9 9

then

add them and divide by 15

= 2+2+3+4+4+5+6+7+7+8+8+8+8+9+9

_____

15

= 90

____

15

= 6