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Mathematics, 20.09.2020 14:01 thomasgnathan

A teacher is researching the effect of what type of font she uses on a test and the scores on the test to see if there is a relationship. She randomly gives half her classes tests with Times New Roman font and half her classes tests with Comic
Sans font and then tracks their test scores for a semester. Which is this an example of?
-experiment
-simple random sample
-observational study
-convenience study

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