Approximately what percentage of scores are between z=1 and z=2? a. 50 b. 68 c. 16 d. ...

Author Question: Approximately what percentage of scores are between z=1 and z=2? a. 50 b. 68 c. 16 d. ... (Read 83 times)

jazziefee

Hero Member
Posts: 505

on: Jun 19, 2018

Approximately what percentage of scores are between z=1 and z=2?

a. 50
b. 68
c. 16
d. 13.5

Question 2

Rich's first psychology exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean of 60 and a standard deviation of 6 . Rich's percentile rank would be approximately:

a. 70.
b. 84.
c. 66.
d. Cannot say from the information given.

briseldagonzales

Sr. Member
Posts: 303

Reply #1 on: Jun 19, 2018

Answer to Question 1

d

Answer to Question 2

b

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