The difference in percentage of youngest and oldest age groups is 15.4%
The percentage from 11 to 20
Start by calculating the total number of people, as follows
People = 102 + 36 + 66 + 150 + 78 + 60 + 90 + 11 + 9
Evaluate
People = 602
The number of people in the age group 11 to 20 is:
Group = 36
So, the percentage is
Percentage = 36/602
Percentage = 6.0%
Hence, the percentage from 11 to 20 is 6.0%
The percentage from 31 to 40
The number of people in the age group 31 to 40 is:
Group = 150
So, the percentage is
Percentage = 150/602
Percentage = 24.9%
Hence, the percentage from 31 to 40 is 24.9%
The percentage from 71 to 80
The number of people in the age group 71 to 80 is:
Group = 11
So, the percentage is
Percentage = 11/602
Percentage = 1.8%
Hence, the percentage from 71 to 80 is 1.8%
The lowest percentage
This is the percentage of age group 81 to 90
And, the percentage is
Percentage = 9/602
Percentage = 1.5%
Hence, the lowest percentage on the chart is 5%
The percentage from 51 to 60 and 61 - 70 combined
The number of people in the age group 31 to 70 is:
Group = 60 + 90 = 15-
So, the percentage is
Percentage = 150/602
Percentage = 24.9%
Hence, the percentage from 51 to 60 and 61 - 70 combined is 24.9%
The difference in percentage of youngest and oldest
The youngest is 0 to 10 and the oldest is 81 to 90.
The number of people in these age groups are:
Youngest = 102
Oldest = 9
The difference is
Difference = 102 - 9
Difference = 93
So, the percentage is
Percentage = 93/602
Percentage = 15.4%
Hence, the difference in percentage of youngest and oldest is 15.4%
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