Question

A grouped frequency table with class intervals of equal size using 3-5 (5 included in this interval) as one of the class intervals is constructed for the following data. The frequency of the class 3-5 is 1 4 7 2 0 3 9 2 3 7 6 3 5 2 5 5 6 2 3 5 1 0 4 6 4 6​

Answer 1

Answer:

within 3 to 5, 8 is the answer,

Answer 2

Given: data 1 4 7 2 0 3 9 2 3 7 6 3 5 2 5 5 6 2 3 5 1 0 4 6 4 6​.

To find: the frequency of the class $3-5$.

Solution:

Draw the required frequency table.

Take the class interval as $0-2,3-5,6-8,9-11$.

Marks a tally mark for each of the data given.

Count the number of tally marks which will give the frequency of the given data.

Find the frequency of the class $3-5$.

Observe that table for the frequency that corresponds the class interval $3-5$.

Therefore, the frequency of the class $3-5$ is 11.