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Q.

Following figures relate the weekly wages (in Rs.) of 15 workers in a factory:

300, 250, 200, 250, 200, 150, 350, 200, 250, 200, 150, 300, 150, 200, 250

What is the range in wages (in Rs)?

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a

150

b

180

c

200

d

220

answer is C.

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Detailed Solution

The given data shows the weekly wages (in Rs.) of 15 workers in a factory:
300, 250, 200, 250, 200, 150, 350, 200, 250, 200, 150, 300, 150, 200, 250.
We need to find the range in wages.
We can arrange the given data in ascending order as follows:
150, 150, 150, 200, 200, 200, 200, 200, 250, 250, 250, 250, 300, 300, 350
We know that,

Range = Maximum observation - Minimum observation

From the given data,

Maximum observation = 350

Minimum observation = 150

\Rightarrow Range = 350 - 150

\Rightarrow Range = 200

Thus, the range of the given data is 200.
Hence, the correct option 3.

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