Bobby Illig
7.22 Using the z table in Appendix B, calculate the following percentages for a z score of 2 0.08:
a. Above this z score
b. Below this z score
c. At least as extreme as this z score
a. Abo
Robert Illig
3.18 Alumni giving rates for a number of universities, calculated as the number of alumni who donated
and the number who did not donate in a given year, represent which kind of variableno
PS 307, Wk 4 Assignment
7.22- Using the z table in Appendix B, calculate the following percentages for a z score of -0.08:
a. Above this z score
Answer- 53.19
b. Below this z score
Answer- 46.81
c. At
PS 307, Wk 6 Assignment
12.20- For the following data, assuming a between-groups design, determine:
Group 1: 11, 17, 22, 15
Group 2: 21, 15, 16
Group 3: 7, 8, 3, 10, 6, 4
Group 4: 13, 6, 17, 27, 20
a.
1.18 A researcher studies the average distance that 130 people living in U.S. urban areas walk each
week.
a. What is the size of the sample?
n=130
b. Identify the population.
People living in U.S. urb
PS 307, Wk 2 Assignment
3.18- Alumni giving rates, calculated as the total dollars donated per year from 2003 to 2013, represent
which kind of variablenominal, ordinal, or scale? What would be an appr
PS 307, Final Exam Part 2
Question 1 - 40 points
A researcher hypothesizes that people who listen to classical
music have higher concentration skills than those in the general
population. On a standar
PS 307, Wk 1 Assignment
1.18- A researcher studies the average distance that 130 people living in US urban area walk
each week.
a. What is the size of the sample?
Answer- 130 people
b. Identify the po
PS 307, Wk 7 Assignment
17.21- For each of the following, identify the independent variable(s), the dependent
variables(s), and the level of measurement (nominal, ordinal, scale).
a. The number of loa
PS 307, Wk 5 Assignment
9.12- We use formulas to describe calculations. Find the error in each of the following formulas.
Explain why each is incorrect and provide correction.
a. sM = s/(N-1)
Answer-
5.42 Random selection or random assignment: For
each of the following hypothetical scenarios, state
whether selection or assignment is being described. Is
the method of selection or assignment random?
Bobby Illig
12.20 For the following data, assuming a between-groups design, determine:
Group 1: 11, 17, 22, 15
Group 2: 21, 15, 16
Group 3: 7, 8, 3, 10, 6, 4
Group 4: 13, 6, 17, 27, 20
a. df between
D
Bobby Illig
9.12
9.16
Question 9.18
9.26
11.20
The mean of students in the front - mean of the student in the back = (82+ 79.5+ 71.5+ 72)/4 - (78+
77.41 +76+ 71.3)/4
11.22
Let the first group be 'Libe
9.12
9.16
Question 9.18
9.26
11.20
The mean of students in the front - mean of the student in the back = (82+ 79.5+ 71.5+ 72)/4 - (78+
77.41 +76+ 71.3)/4
11.22
Let the first group be 'Liberals'.
Secon
Robert Illig
5.28 Convert the following proportions to percentages:
a. 0.0173
0.0173 100=1.73
b. 0.8
0.8 100=80
c. 0.3719
0.3719 100=37.19
5.42 Random selection or random assignment: For each of the f
1.18 A researcher studies the average distance that 130 people living in U.S. urban areas walk each
week.
a. What is the size of the sample?
n=130
b. Identify the population.
People living in U.S. urb