NCERT Solutions for Class 10 Maths chapter-14 Statistics Exercise 14.4

NCERT Solutions for Class 10 Maths Chapter-14 Statistics

NCERT solutions for class-10 maths Chapter-14 Statistics is prepared by academic team of Physics Wallah. We have prepared NCERT solutions for all exercises of this chapter. Given below is step by step solutions of all questions given in NCERT textbook for chapter-14. You have learned the formula of the given chapter. Physics Wallah prepared a detail notes and additional questions for class-10 maths with short notes of all maths formula of class-10 maths.

 

NCERT Solutions for Class 10 Maths Exercise 14.4

 

Solve the followings Questions.

 

1. The following distribution gives the daily income of 50 workers of a factory:

Convert the distribution above to a less than type cumulative frequency distribution and draw its ogive.

Answer:

Now, by drawing the points on the graph,

i.e., (120, 12); (140, 26); 160, 34); (180, 40); (200, 50)

2. During the medical checkup of 35 students of a class, their weights were recorded as follows:

Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula.

Answer:

Hence, the points for graph are:

(38, 0), (40, 3), (42, 5), (44, 9), (46, 14), (48, 28), (50, 32), (52, 35)

3. The following table gives production yield per hectare of wheat of 100 farms of a village.

Change the distribution to a more than type distribution and draw its ogive.

Answer:

The points for the graph are:

(50, 100), (55, 98), (60, 90), (65, 78), (70, 54), (75, 16)

 

 

Chapter-14 Statistics Exercises

 

1. Chapter-14 Statistics Exercise-14.1

2. Chapter-14 Statistics Exercise-14.2

3. Chapter-14 Statistics Exercise-14.3

4. Chapter-14 Statistics Exercise-14.4