The monthly income of a group of 320 employees in a company is as follows :

Monthly income (in Rs.1000) 6 – 7 7 – 8 8 – 9 9 – 10 10 – 11 11 – 12 12 – 13

Number of employees 20 45 65 95 60 30 5

Draw an ogive for the given distribution taking 2cm = Rs.1000 on one axis & 2cm = 50 employees on the other axis. Using the graph determine:

930, 20, 25000

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800, 20, 20000

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930, 10, 15000

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930, 15, 10250

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800, 10, 20000

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800, 15, 10250

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800, 20, 15100

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Solution

The correct option is D
930, 15, 10250

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Similar questions

Attempt this question on a graph paper.

Marks 0 – 10 10 – 20 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 70 – 80 80 – 90 90 – 100

No. of students 5 10 14 21 25 34 36 27 16 12

Draw an ogive for the given distribution taking 2cm = Rs.10 marks on one axis & 2cm = 5 students on the other axis. Using the graph determine:

The monthly income of a group of 320 employees in a company is given below:

Monthly income	6000-7000	7000-8000	8000-9000	9000-10000	10000-11000	11000-12000	12000-13000
No of employees	20	45	65	95	60	30	5

Calculate:

(i) Median wage

(ii) Number of employees whose income is below Rs. 8500

(iii) Number of senior employees in the company

(iv) Upper quartile

[4 MARKS]

Marks obtained by 200 students in an examination are given below :

Draw an ogive for the given distribution taking 2cm = 10 marks on one axis & 2 cm = 20 students on the other axis. Using the graph determine:

The weight of 50 workers is given below:

$\begin{matrix} W e i g h t i n k g & 50 - 60 & 60 - 70 & 70 - 80 & 80 - 90 & 90 - 100 & 100 - 110 & 110 - 120 N u m b e r o f w o r k e r s & 4 & 7 & 11 & 14 & 6 & 5 & 3 \end{matrix}$

Draw an ogive of the given distribution using a graph sheet. Take 2 cm = 10 kg on one axis and 2 cm = 5 workers along the other axis. Use a graph to estimate the upper and lower quartiles.

Q. The daily wages of