Question

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Thirteen people answered that they generally sell three cars; twenty generally sell four cars; twelve generally sell five cars; ten generally sell six cars; ten generally sell seven cars.Complete the table using fractions instead of decimals:

Answer 1

Given:

No. of people who generally sell 3 cars = 13

No. of people who generally sell 4 cars = 20

No. of people who generally sell 5 cars = 12

No. of people who generally sell 6 cars = 10

No. of people who generally sell 7 cars = 10

To find:

We need to fill the given table with frequency, relative frequency, and cumulative relative frequency.

Step-by-step solution:

We know that:

Relative frequency = frequency/Sum total of frequency

Data Frequency Relative frequency Cumulative relative

frequency

3 13 13 / 65 13 / 65

4 20 20 / 65 33 / 65

5 12 12 / 65 45 / 65

6 10 10 / 65 55 / 65

7 10 10 / 65 65 / 65