Draw a sample of children with theirheight from the population of , children as classified hereunder. Height (cm) Number of children Height(cm) Number of children XII Std - Business Maths & Stat EM Chapter - - The first thing is to number the population( children). The numbering has already been provided by the frequency table. There are children with height of cm, therefore we assign number and to the children those in the group cm, number to is assigned to those in the group cm and similarly all other children are assigned the numbers.
In the last group cms there are two children with assigned number and . Height (cm.) Number of children Cumulative Frequency Total Now we take samples from the tables, since the population size is in digits we can use the given random number table. Select the10 random numbers from to in the table, Here, we consider column wise selection of random numbers, starting from first column. Tippet’s random number table The children with assigned number is selected and then see the cumulative frequency table where is