Homework 1:
What kind of average would we use to represent the central tendency of the
incomes of everyone in this class most fairly?
Median
Which of the following techniques is common among advertisers reporting the
results of clinical tests?
Using a ver

Question 1
5 / 5 points
A normal distribution has a mean of = 100 with = 20. If one score is randomly
selected from this distribution, what is the probability that the score will have a
value between X = 80 and X = 100?
Correct Response
0.3413
Question 2

Chapter 3
Some Key Ingredients for Inferential Statistics: Z Scores, the Normal Curve, Sample versus Population, and
Probability
Learning Objectives
After studying this chapter, you should:
Be able to convert raw scores to Z scores.
Be able to convert Z

Lab 8
Stephanie Gross
1.1.
1.
a. F=1.525
b. Mean GPA= 28.27
c. 3
d. 31.85
2. For follow up, I would conduct an interaction comparison, like the tetrad contrast. Tetrads
evaluate the differences in population means between two levels of one factor are equa

Lab 2
Stephanie Gross
1.
a. Percentage of Men: 52%
b. Mode: Men (Frequency 13)
c. Frequency: 11 for Divorced
2.
Education Level
Cumulative
Frequency
Valid
Did not graduate from high
Percent
Valid Percent
Percent
6
24.0
24.0
24.0
High School Graduate
4
16.