Question

Marks 1 10-25 25-40 40-55 55.70 70 85 85.100
No. of stud
21
25
find mean, median
mean, median and mode
S
21
8​

Answer 1

Answer:

Mean, median and mode are the representative values of a group of ... Example 1: The range of the data 14, 6, 12, 17, 21, 10, 4, 3 is. (a) 21. (b) 17 ... Difference in results of section C = 56 – 70 .

Answer 2

Answer:

Here we have, the cumulative frequency distribution. So, first we convert it into an ordinary frequency distribution. we observe that are 80 students ... More