Questions
1)
2)
3)
4)
147 students took Exam 1.
30 questions were on the exam.
The lowest score earned on the exam was an 11 out of 30.
The mean score on the exam was a 22.98 out of 30. The median sco
Courtright Exam #2 (Book Outline)
CHAPTER 5 (PAPER-AND-PENCIL TESTS AND RATING SCALES)
Beginning Summary
- Measurement scales and paper-and-pencil instruments are heavily used in social sciences,
incl
I do not believe this is a normal distribution. The mean, median, and mode are the
same and are in the 50th percentile, but the mean is not the highest-ranking number
in the set. The curve would not b
1. The first thing I noticed about the mosaic plot was that the emotions angry and
sad were most prevalent. In other words, the colors that represented those
emotions covered more of the chart than th
1. 147 students took the exam
2. 30 questions were on the exam
3. The lowest score was 11 out of 30
4.
Mean score: 22.98; Median: 23.5; I think the median is higher than the
mean because there are ext
Do you think these data form a normal distribution? In no more than a couple of sentences, what
part of the analysis prompted you to give that answer?
-I do not think that these data form a normal dis
COMM301 Test 3 Review
From Description to Inference
Criteria for Inference
o The observations are independent
Gathered independently
No measurement or score effects or is effected by any other
meas
Looking at the Contingency Mosaic Plot, it depicts the correct responses in
columns at the bottom, while the obtained responses are represented by the colors
orange, blue, green and red. Red, as well
INTRO TO COMMUNICATION RESEARCH METHODS
COMM 301
Instructor: John A. Courtright
Office: 235 Pearson Hall
Office Hours: by appointment
Phone: Office 831-8041
E-Mail: [email protected]
Course Description
A
Directions for Installing JMP
1. Open your web browser to: https:/udeploy.udel.edu/
2. Select either Windows Software or Macintosh Software
3. Select Scientific and Research Software
4. Select JMP
5.
Comm Exam 1
Lecture 1
*The question: Why does Y vary?
*The answer to the question lies exclusively in the realm of THEORY.
*The question is asking for an explanation, and looking for an
explanatory va
COMM301 Test 2 Review
Principles of Measurement
Uses of Measurement Scales
o Measurement States and Traits
Traits - enduring attributes of the individual and not
situationally bound, it must be cros