Mathematics
For the following distribution :
| Class | Frequency |
|---|---|
| 0 - 5 | 10 |
| 5 - 10 | 15 |
| 10 - 15 | 12 |
| 15 - 20 | 20 |
| 20 - 25 | 9 |
The sum of lower limits of the median class and modal class is
15
25
30
35
Related Questions
Construction of a cumulative frequency distribution table is useful in determining the
mean
median
mode
all the three measures
Construct the following frequency distribution :
Class Frequency 0 - 5 13 6 - 11 10 12 - 17 15 18 - 23 8 24 - 29 11 The upper limit of the median class is
17
17.5
18
18.5
An ogive curve is used to determine
range
mean
mode
median
The mean of 20 numbers is 18. If 3 is added to each of the first ten numbers, find the mean of new set of 20 numbers.