Question

6. In a city 45 families were surveyed for the number of cell phones they
used. Prepare a frequency array based on their replies as recorded
below.
1
3
2
3
3
4 2
NNN
2
3.
7
2
2
4
NNN
1
6
4
2
1
3
1
6
4
NNN
2 3 3 3 3 3
1 5 1 5 3
2 O 3 1 4 3​

Answer 1

No. Of domestic appliances:
0
1
2
3
4
5
6
7
...........................
No.of household appliances:
1
7
15
12
5
2
2
1
…………........…
Total is 45
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