Question

while doing a project for p.e. class, aaron researched the number of athletes competing in an international sporting event. use the data to complete the histogram below. athletes per country 47 51 62 90 1 90 10 78 15 66 7 31 89 74 click to set the height of the missing bar. athletes per country number of countries 5 4 3 2 1 0 0 - 19 20 - 39 40 - 59 60 - 79 80 - 99 number of athletes

Explanation:

Step1: Count data in each range

Count the number of values in each interval of athletes per country:

• For 0 - 19: 1, 10, 15, 7. There are 4 values.
• For 20 - 39: 31. There is 1 value.
• For 40 - 59: 47, 51, 52. There are 3 values.
• For 60 - 79: 66, 74, 78. There are 3 values.
• For 80 - 99: 90, 90, 89. There are 3 values.

Answer:

The height of the bar for 20 - 39 should be 1.