EASY
9th ICSE
IMPORTANT
Earn 100

Find the median of the following  data:

Marks

Obtained

17 20 22 15 30 25

No. of

students

5 9 4 3 10 6

50% studentsanswered this correctly

Important Questions on Statistics

MEDIUM
9th ICSE
IMPORTANT

Using assumed mean method, find the mean (correct up to two decimal places):

 

Xi 18 19 20 21 22 23 24
Fi 170 320 530 700 230 145 105
MEDIUM
9th ICSE
IMPORTANT

Find the median height (in cm ) of the following data

 

Height

(in cm)

150 151 152 153 154 155 156

No, of

Students

   6     3   12     4   10    8     7