Question

Percentage of population supplied by water supply industry

This image is a dot plot. The tick marks begin at 0% and go to 100% in increments of 5 percentage points. There are two dots at 30%, one dot at 45%, one dot at 50%, two dots at 70%, one dot at 85%, two dots at 95%, and two dots at 100%.
This image is a dot plot. The tick marks begin at 0% and go to 100% in increments of 5 percentage points. There are two dots at 30%, one dot at 45%, one dot at 50%, two dots at 70%, one dot at 85%, two dots at 95%, and two dots at 100%.
A census was taken in 11 African countries. For each country, the amount of the population that had access to water from the water supply industry was computed and recorded to the nearest 5 percent. This amount was expressed as a percentage of the total population and plotted above. According to the dot plot, what is the range of these percentages?

Answer 1

Range = 70%

Explanation:

• Range is the difference between of maximum value and minimum value of given data.

The range of this data is given by

= maximum value - minimum value

= 100% - 30%

= 70%

Answer 2

• 70%

Explanation:

The range is the difference between maximum and minimum values of data set:

The range is:

• 100% - 30% = 70%