Question

reported chlamydia cases by age group and sex (2015)
according to the data, which group has the highest rate of chlamydia infection? women aged 20 - 24
which age group has a higher rate of infection than those aged 25 - 29?
those aged 10 - 14
those aged 15 - 19
those aged 30 - 34

Explanation:

By observing the bar chart, we can directly compare the heights of the bars (representing the rate of infection) for different age groups. The bar for women aged 20 - 24 is the highest among all groups. For the second part, we compare the bar of the age group 25 - 29 with other age - group bars. The bar for those aged 15 - 19 is higher than that of 25 - 29.

Answer:

The group with the highest rate of chlamydia infection is women aged 20 - 24. The age group with a higher rate of infection than those aged 25 - 29 is those aged 15 - 19.