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Mathematics, 04.05.2020 23:57 ayoismeisalex

Which student performed the best on the test when compared to the rest of their class?

2nd period: mean was 17.1 and standard deviation was 1.2 Sally scored a 18

4th period: mean was 18.9 and standard deviation was 0.4 --- Chloe scored a 20

3rd period: mean was 13.5 and standard deviation was 3.7 --- Ronald scored a 17

1st period: mean was 15.3 and standard deviation was 2.4 -- Danny scored a 19

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Which student performed the best on the test when compared to the rest of their class?

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