# NCERT Solutions for Class 10 Maths Exercise 14.4 ## myCBSEguide App

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NCERT solutions for Maths Statistics ## NCERT Solutions for Class 10 Maths Statistics

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.

Ans. Now, by drawing the points on the graph,

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

Scale: On axis 10 units = Rs. 10 and on axis 10 units = 5 workers NCERT Solutions for Class 10 Maths Exercise 14.4

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.

Ans. Hence, the points for graph are:

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

Scale: On axis, 10 units = 2 kg and on axis, 10 units = 5 students From the above graph, Median = 46.5 kg, which lies in class interval 46 – 48.

Here, , then , which lies in interval 46 – 48. Median class = 46 – 48

So, and Now, Median = = = = 46 + 0.5

= 46.5

Hence median weight of students is 46.5 kg.

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.

Ans. The points for the graph are:

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

Scale: On axis, 10 units = 5 kg/ha and on axis, 10 units = 10 forms. ## NCERT Solutions for Class 10 Maths Exercise 14.4

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### 8 thoughts on “NCERT Solutions for Class 10 Maths Exercise 14.4”

1. My cbse guide is the best

2. Every thing is great but graphs are wrong. We can’t put origin’s value anything except zero.