z
score of 1.45,
what is the raw score?
87.25
88.00
1.00
90.00

Question 7
Correct!
2 / 2 pts
<p>The formula for calculating the raw score from a <em>z</em> score is:</p>
The formula for calculating the raw score from a
z
score is:
.
.
.
.

Question 8
Correct!
2 / 2 pts
The ________ is the difference between the lowest and highest score in the
distribution.<br>
The ________ is the difference between the lowest and highest score in the distribution.

Question 9

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?<br>
The mean for the population is 67 with a standard deviation of 8.78. Given a
z
score of
2.56, what is the raw score?
75.78
69.56
87.88
89.48

Question 10
Correct!
2 / 2 pts
A sample in which every member of the population has an equal chance of being
selected for inclusion in the study is a:<br>
A sample in which every member of the population has an equal chance of being selected
for inclusion in the study is a:

Question 11
Correct!
2 / 2 pts

Skip to question text.
Dr. Baker designed an experimental study to assess potential differences between science
and art students on a math reasoning abilities test. Dr. Baker found a mean difference in
math performance between science and art students. On average, art students performed
higher on the math reasoning test compared to the science students. Dr. Baker's results
were supported in two other studies performed in university settings. Dr. Baker concluded
that, given that the results of her study have been replicated at other universities, her
findings were reliable. Dr. Baker also hopes that other researchers will perform the study
using other samples including participants from the community. Dr. Baker is concerned
about replicating her study across various settings and using additional samples because
she wishes to:

Question 12
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