Question

This is not a quatitative exercise. Keeping this in mind, can you see a general trend between bacterial death and UV exposure time?

Answer 1

Yes, it possess a direct variation, the greater the amount of exposure the faster the bacterial death.

Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together.