Question

Find the sum of the lower limit of modal class and the upper limit of the median class in the following distribution :

The frequency distribution given below shows the weight of 40 students of a class. Find the median weight of the students. | Weight (in kg) | Number of Students | |----------------|--------------------| | 40 – 45 | 9 | | 45 – 50 | 5 | | 50 – 55 | 8 | | 55 – 60 | 9 | | 60 – 65 | 6 | | 65 – 70 | 3 |

The median of following frequency distribution is 25. Find the value of x. | Class : | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | |---------|--------|---------|---------|---------|--------| | Frequency : | 6 | 9 | 10 | 8 | x |

Determine median of the following frequency distribution : | Class | Frequency | |-------|----------| | 15 – 20 | 8 | | 20 – 25 | 13 | | 25 – 30 | 21 | | 30 – 35 | 12 | | 35 – 40 | 5 | | 40 – 45 | 4 |