edwardlopez19 edwardlopez19

28-09-2022
Mathematics

Answered

The mean for Mrs. Perez Math for Data Analysis test was 75, and the standard deviation was 4.2. The mean for Mrs. Hernandez Math for Data Analysis test was 40 and the standard deviation was 5.7. Two friends were arguing about which did better on the test. Beatriz got 78 on Mrs. Perez, whereas Eric got 45 on Mrs. Hernandez test. Compare to the class which of the student showed a better performance?

Beatriz or Eric?

Answer :

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