The Brainliest Answer!
First, make an introduction about school and emphasize importance of class attendance.

Figure out what factors you want to handle: traffic, sickness, you woke up late. etc. 

Make an intelligent guess: These factors do not affect class attendance. or Traffic affects class attendance more than being sick. 

Find out how you want to get the information. You can do a survey asking: what affects your class standing? Are you mostly late or absent? Why are you absent/late? 

Show what you have using a table (Pie chart/ bar graph) 

Then type what you found out: Like people are late because of traffic or People are more late than absent because of sickness. The biggest factor affecting attendance is ____ . 

And that's it :) 

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