Question 5
Correct!
2 / 2 pts
Repeated sampling of ________ approximates a normal curve,
even when the underlying population is skewed.<br>

Repeated sampling of ________ approximates a normal curve, even when the
underlying population is skewed.

Question 6
Correct!
2 / 2 pts
The mean for the population is 67 with a standard deviation of
8.78. Given a <i>z </i>score of 2.56, what is the raw score?

The mean for the population is 67 with a standard deviation of 8.78. Given a
score of 2.56, what is the raw score?
z

Question 7

Correct!
2 / 2 pts
Jenna scored 40 on a standardized test of reading ability where
the mean score is 50 and the standard deviation 10. Based on
this information, what is Jenna's <i>z</i> score?<br>
Jenna scored 40 on a standardized test of reading ability where the mean score is
50 and the standard deviation 10. Based on this information, what is Jenna's
score?
z
2.0
1.0
–1.0
–2.0

Question 8
Correct!
2 / 2 pts
If samples have at least ________ scores, the distribution of
means will most likely approximate a normal curve.<br>
If samples have at least ________ scores, the distribution of means will most
likely approximate a normal curve.

Question 9
Correct!
2 / 2 pts
On the first statistics exam, the class average was 70 with a
standard deviation of 6. You scored 82. What is your <i>z</i>
score?<br>
On the first statistics exam, the class average was 70 with a standard deviation of
6. You scored 82. What is your
z
score?

Question 10
Correct!
2 / 2 pts
The formula for calculating a <em>z</em> score is:
The formula for calculating a
z
score is:
µ

z
= (
µ
–
)/
Score for this attempt:
14
out of 20
Submitted Sep 25 at 4:55pm
This attempt took 13 minutes.
Question 1
Correct!
2 / 2 pts
Jenna scored 40 on a standardized test of reading ability where
the mean score is 50 and the standard deviation 10. Based on
this information, what is Jenna's <i>z</i> score?<br>
Jenna scored 40 on a standardized test of reading ability where the mean score is
50 and the standard deviation 10. Based on this information, what is Jenna's
score?
z
–2.0
1.0
–1.0
2.0

Question 2
Correct!
2 / 2 pts
A <i>z </i>score is a measure of:<br>
A
z
score is a measure of:

strength of relationship between two variables.
how far away from the mean a score is in terms of standard deviations.