Writers Den

Complete
the University of Phoenix Material: Week 1 Practice Worksheet.

                                  Week 1 Practice Worksheet

Provide a
response to the following questions. Written responses should be at least 30 to
45 words each.

1.
Explain and provide an example for each
of the following types of variables:

1. Nominal:
2. Ordinal:
3. Interval:
4. Ratio
   scale:

5. Continuous:
6. Discrete:

1. Quantitative:

1. Qualitative:

2.
The following are the speeds of 40 cars
clocked by radar on a particular road in a 35 miles-per-hour zone on an
afternoon:

30, 36, 42, 36,
30, 52, 36, 34, 36, 33, 30, 32, 35, 32, 37, 34, 36, 31, 35, 20

24, 46, 23, 31,
32, 45, 34, 37, 28, 40, 34, 38, 40, 52, 31, 33, 15, 27, 36, 40

Create a
frequency table and a histogram. Then, describe the general shape of the
distribution.

3.
Raskauskas and Stoltz (2007) asked a
group of 84 adolescents about their involvement in traditional and electronic
bullying. The researchers defined electronic bullying as “…a means of bullying
in which peers use electronics (such as text messages, emails, and defaming Web
sites) to taunt, threaten, harass, and/or intimidate a peer” (p. 565). The
table below is a frequency table showing the adolescents’ reported incidence of
being victims or perpetrators of traditional and electronic bullying.

a.
Using the table below as an example,
explain the idea of a frequency table to a person who has never taken a course
in statistics.

b.
Explain the general meaning of the
pattern of results.

4.
Describe whether each of the following
data words best describes descriptive statistics or inferential statistics.
Explain your reasoning.

1. Describe:
2. Infer:
3. Summarize:

5.
Compare the three types of research
methods and statistics.

6.
Regarding gun ownership in the United
States, data from Gallup polls over a 40-year period show how gun ownership in
the United States has changed. The results are described below, with the
percentage of Americans who own guns given in each of the 5 decades.

1. Are the
   percentages reported above an example of descriptive statistics or
   inferential statistics? Why?

2. Based on
   the table, how would you describe the changes in gun ownership in the
   United States over the 40 years shown?

7.
Refer to the Simpson-Southward et al.
(2016) article from this week’s electronic readings. Was this an example of
inferential statistics and research or descriptive statistics and research?
Justify your response.

Course: PSY315 Statistical Reasoning in Psychology