Homework Assignment Week 7
PSY/CJ 315
Due 11/20/16
1.
Name: Lionel Cabanit
One sample has SS = 48 and a second sample has SS = 32.
a.
If n = 5 for both samples, find each of the sample variances and compute the
pooled variance. Because the samples are the
Week 1
Question 1
1 / 1 pts
A researcher uses an anonymous survey to investigate the television-viewing habits of
American adolescents. The entire group of American adolescents is an example of a
_.
sample
Correct!
population
parameter
statistic
Question
Homework Assignment Week 1
PSY/CJ 315
Due 10/9/16
Name: Lionel Cabanit
1.
Stephens, Atkins, and Kingston (2009) conducted an experiment in which participants
were able to tolerate more pain when they were shouting their favorite swear words than
when they
Homework Assignment Week 3
PSY/CJ 315
Due 10/23/16
1.
X = 82
X = 64
X = 72
X= 54
Name: Lionel Cabanit
For a population with = 70 and a standard deviation of = 8,
a.
Find the z-score for each of the following X values.
Z=82-70/8= 12/8=1.5
Z=64-70/8= -6/8=
Homework Assignment Week 4
PSY/CJ 315
Due 10/30/16
Name: Lionel Cabanit
1.
For a population with a standard deviation of = 10, how large a sample is necessary to
have a standard error that is:
a.
less than or equal to 5 point?
SE=10/(25)= 10/5 = 5
N=25
b.
eae
Homework Assignment Week 6
PSY/CJ 315
Due 11/13/16
Name: Lionel Cabanit
1.
The following sample was obtained from a population with unknown parameters.
Scores: 13, 7, 6, 12, 0, 4
a.
Compute the sample mean and standard deviation. (Note that these are
Homework Assignment Week 3
PSY/CJ 315
Due 10/23/16
1.
X = 82
X = 64
X = 72
X= 54
Name: Lionel Cabanit
For a population with = 70 and a standard deviation of = 8,
a.
Find the z-score for each of the following X values.
Z=82-70/8= 12/8=1.5
Z=64-70/8= -6/8=