Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101
2 February 2015
Homework 2
1. The mean for FCQ Course is 2.227 and the median is 3.34. The range for the
FCQ Course data set is 0.73 to 4. The standard deviation is 0.5525685. This
histogram is left (negatively)
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-100
2 March 2015
Homework 5
1. A. Null hypothesis: The psychology students today tend to study the same
amount as college students in 1961 (1-2=0).
Alternative hypothesis: The psychology students study hours toda
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-100
9 February 2015
Homework 3
1. A.
15
10
5
0
Frequency
20
25
30
Histogram of survey2014$conscientious
1.5
2.0
2.5
3.0
3.5
4.0
4.5
survey2014$conscientious
b. The histogram shows that this variables distribution
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-110
9 March 2015
5
10
15
20
25
30
35
Homework 6
1. A. Null hypothesis: The concentrations of two types of aspirin (types A and B)
in urine specimens taken from the same person 1 hour after he or she has
taken the
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101
26 January 2014
1.5
1.0
0.5
0.0
frequency
2.0
Homework 1
1. a. The mean temps for the independent and San Francisco are both 65
degrees.
b. The Independent City high mean is 18 degrees higher than San Franciscos
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-100
16 March 2015
Homework 7
1. A. Null hypothesis: (1=2=3).
Alternative hypothesis: (12=3).
B.
SS
Degrees of
MS
Freedom
Between
0.274
2
0.1371
Groups
Within
23.240
83
0.2800
Groups
F
p
0.49
0.615
C. Our F-value
Mackenzie Hunt
Keller/ TA: Amanda
PSYC 3101-100
6 April 2015
Homework 8
2. A. There are three factors: Introverts vs. extroverts; Dog vs. no dog; Dog vs. no dog
differ between introverts and extroverts
B. There are two levels for each factor.
C. The effec
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101
20 April 2015
Homework 10
3.0
2.0
2.5
survey2014$gpa.major
3.5
4.0
1. a.
0
10
20
30
40
survey2014$study.hours.weekly
There is a very slight positive relationship.
b.
c. The correlation between the number of hours
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-110
24 February 2015
Homework 4
1. a. Two percent of individuals smoke more than 21 joints or equivalent per
year.
b. The distribution of a 400-sample size from the US population is called a
sampling distribution
1
PSYC 3101-100
Exam 2, Spring 2014
NAME: _
TA NAME:_
You may use scratch paper and a regular calculator. You may NOT use your book, notes, or a
graphing calculator (or smart phone). Show your work. If it is not obvious, CIRCLE OR
PLACE A BOX AROUND YOUR
1
PSYC 3101-100
Exam 1, Spring 2014
NAME: _
TA:
_
You may use scratch paper and a regular calculator. You may NOT use your book, notes, or a graphing
calculator (or smart phone). SHOW YOUR WORK! If it is not obvious, CIRCLE OR PLACE A BOX AROUND
YOUR FINA
Mackenzie Hunt
Keller/TA: Amanda
PSYC 3101-100
13 April 2015
Homework 9
1.
Person
Depression
Bob
Jane
Mark
Emma
Pat
Leslie
Simon
Eve
12
3
17
7
5
8
18
9
Neuroticis
m
30
13
40
32
12
25
43
19
Z (depress.) Z (neuro.)
0.393
-1.281
1.317
-0.531
-0.901
-0.347
1.
YOUR NAME: Mackenzie Hunt
PSYC 3101-100
Keller
Lab FINAL
Spring 2015
This test is open book and open note. Do not discuss anything with your neighbors. For fairness, the
TA is not allowed to answer any questions about this exam. Also, please place your na