Mathematics, 02.06.2021 23:30 hahHcjckk

Melissa is in the 7th grade. She wanted to know how after school activities done on the week before an exam affect the score of the exam. She asked all of her assmates to record their after school activities on the week
before a big exam. Later, she compared the records with the achieved scores of each student
What type of statistical study did Mellssa use?

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Melissa is in the 7th grade. She wanted to know how after school activities done on the week before...

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