Walking has been shown to be beneficial not only to our heart and muscles but also to our brain by increasing its supply of blood. A survey has been conducted in a secondary school to find out how long students walk per week. The data can be represented with a relative frequency histogram. Which of the following correctly displays a relative frequency histogram?
The table shows some tangerines’ weights in a supermarket and their relative frequencies.
Find and .
The table below shows the number of hours that 20 people spent exercising for one week.
Which of the following correctly displays a relative frequency histogram?