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 3 222121223333
332322616215153
242742434203143
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 3 222121223333
332322616215153
242742434203143