Neha Tyagi and Amit Rastogi Solutions for Chapter: Statistics and Probability, Exercise 4: Exercise
Neha Tyagi Mathematics Solutions for Exercise - Neha Tyagi and Amit Rastogi Solutions for Chapter: Statistics and Probability, Exercise 4: Exercise
Attempt the practice questions on Chapter 13: Statistics and Probability, Exercise 4: Exercise with hints and solutions to strengthen your understanding. NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS solutions are prepared by Experienced Embibe Experts.
Questions from Neha Tyagi and Amit Rastogi Solutions for Chapter: Statistics and Probability, Exercise 4: Exercise with Hints & Solutions
Draw the less than type and more than type ogives for the data and use them to find the median weight.
The weights of tea in packets shown in the following table
Weight (in g) | Number of packets |

The table below shows the salaries of persons.
Salary (inthousand) | Number of persons |
Calculate the median and mode of the data.

The annual rainfall record of a city for days is given in the following table.
Rainfall (in cm) | ||||||
Number of days |
Calculate the median rainfall using ogives (or more than type and less than type).

The following is the frequency distribution of duration for calls made on a mobile phones.
Duration (in s) | Number of calls |
Calculate the average duration (in sec) of a call and also find the median from a cumulative frequency curve.

50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below
Distance (in m) | |||||
Number of students |
Construct a cumulative frequency table.

50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below
Distance (in m) | |||||
Number of students |
Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve.

50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below
Distance (in m) | |||||
Number of students |
Calculate the median distance by using the formula for median.

50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below
Distance (in m) | |||||
Number of students |
Are the median distance calculated in (ii) by drawing ogive and (iii) by cumulative frequency same?
