A teacher gave a unit test to both of her statistics classes. The mean test grade for Class A was 77 points, with a standard dev

Question

3 years ago

15

A teacher gave a unit test to both of her statistics classes. The mean test grade for Class A was 77 points, with a standard dev

iation of 5 points, whereas the mean test grade for Class B was 80, with a standard deviation of 7 points. Kyle, in Class A, received an 82 on the test, and Caleb, in Class B, received an 87. Whose performance on the unit test was better relative to their class?

Mathematics

1 answer:

Tom [10] · Answer 1 · 2022-10-20T20:10:11+03:00

Tom [10]3 years ago

4 0

Answer:

i think they would be the same

Step-by-step explanation:

77+5=82 or 77-5=72

so he is within the range of 72-82

80+7=87 80-7=73

so he is also within the range of 73-87