
If the median of the following distribution is and the sum of all the frequencies is . Find the values of and .
Variable
Frequency
Important Questions on Statistics
If the median of the number of patients attending a hospital is , then find the missing frequencies and in the following frequency distribution, when it is given that the total number of days is .
Number of patients | |||||||
Number of days |

During Medical check-up of students of the school, their weights were recorded as follows:-
Weight | ||||||
Number of students |
Find the median weight of students.

Draw a histogram from the following frequency distribution and find the mode from the graph.
Class | 0-5 | 5-10 | 10-15 | 15-20 | 20-25 | 25-30 |
frequency | 2 | 5 | 18 | 14 | 8 | 5 |

Find the mode of following data, using a histogram.
Class | |||||
Frequency |

The following table shows the expenditure of boys on books.
Expenditure (in ₹) | ||||||
Number of Students |
Find the mode of their expenditure.

Using a graph paper draw a histogram for the given distribution showing the number of runs scored by batsman. Estimate the mode of the data.
Runs scored | Number of batsman |

The marks of 200 students in a test are given below
Marks% | ||||||||
Number of students |
Draw the histogram and find the mode.

Draw a histogram for the distributions and estimate their modes.
Marks % | ||||||||
Number of students |
