(15)
Answer (Choose 1 answer)
A very large population has a mean of 90.3 and a standard deviation of 11.6. From the population, a sample of 32 was selected with a sample mean of 94.0.What is the Z-score of the sample mean? Rounded to 4 decimal places.
A. 1.2812
B. 1.8043
C. 2.326
D. 1.658
