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Q.

State true or false.

The following cumulative frequency distribution table shows the daily electricity consumption (in $K V$ ) of $40$ factories in an industrial state:

The frequency distribution table for the data is:

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a

True

b

false

answer is A.

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Detailed Solution

It is given a data of daily electricity consumption (in

K V

) of

40

factories.
Question Image

Question Image

Calculate the frequency.
From the table,
Frequency of consumption of electricity below

240 = 1

Frequency of consumption of electricity below

270 = 4 − 1

= 3

Frequency of consumption of electricity below

300 = 8 − 4

= 4

Frequency of consumption of electricity below

330 = 24 − 8

= 16

Frequency of consumption of electricity below

360 = 33 − 24

= 9

Frequency of consumption of electricity below

390 = 38 − 33

= 5

Frequency of consumption of electricity below

420 = 40 − 38

= 2

Make the frequency table using the above information.
Question Image

Question Image

Hence, the given table is true.
Hence, option 1 is correct.

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