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Question -

In a city 45 families were surveyed for the number of domestic appliances they used. Prepare a frequency array based on their replies as recorded below.

1

3

2

2

2

2

1

2

1

2

2

3

3

3

3

3

3

2

3

2

2

6

1

6

2

1

5

1

5

3

2

4

2

7

4

2

4

3

4

2

0

3

1

4

3



Answer -

Frequency Array ofappliances being used by households

 

_No. of Domestic Appliances

 _No. of Households

0

1

1

7

2

15

3

12

4

5

5

2

6

2

7

1

Total

45

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