Sally took her stats test last week and scored a 45%. The class average was 55%with a standard deviation of 4.5. How many standa

Question

3 years ago

7

Sally took her stats test last week and scored a 45%. The class average was 55%with a standard deviation of 4.5. How many standa

rd deviations below the mean did Sally score? (Hint: z-score
)A) 3.33 SD above the mean
B) 2.22 SD below the mean
C) 2.22 SD above the mean
D) 3.33 SD below the mean

Mathematics

1 answer:

sesenic [268] · Answer 1 · 2022-09-30T01:20:49+03:00

sesenic [268]3 years ago

5 0

Answer: A

Step-by-step explanation: