Author Question: Verbal SAT scores have a mean of 500 and a standard deviation of 100 . Which of the following ... (Read 108 times)

tnt_battle · **on:** Jul 24, 2018

Verbal SAT scores have a mean of 500 and a standard deviation of 100 . Which of the following describes how to find the proportion of Verbal SAT scores that are greater than 600?
a. Find the area to the left of z = 1 under a standard normal curve.
b. Find the area between z = 1 and z = 1 under a standard normal curve.
c. Find the area to the right of z = 1 under a standard normal curve.
d. Find the area to the right of z = 1 under a standard normal curve.

Question 2

For each study, decide if the two samples are independent samples or paired samples. A group of 50 students each measured the length of their right arm and the length of their left arm. The average right arm lengths were compared to the average left arm lengths.
a. Independent samples
b. Paired samples