Time to Practice Week 1

1877 words 8 pages
University of Phoenix Material

Time to Practice – Week One

Part A
Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Test Resources link.

1. By hand, compute the mean, median, and mode for the following set of 40 reading scores:
SUMMARY
31
32
43
42
24
34
25
44
23
43
24
36
25
41
23
28
14
21
24
17
25
23
44
21
13
26
23
32
12
26
14
42
14
31
52
12
23
42
32
34

2. Compute the means for the following set of scores saved as Ch. 2 Data Set 3 using IBM® SPSS® software. Print out a copy of the output. (Please refer to attachment)

Hospital size (number of beds)
…show more content…
A bar will show a better visual as to the interest or lack thereof for a particular job.
d. Reaction time to different stimuli
I would use a line chart to show the frequency in reaction for the stimuli. The lines will show if there are extreme differences to reaction time.
e. Number of scores in each of 10 categories
I would use a bar chart to compare scores of the 10 categories.

From Salkind (2011). Copyright © 2012 SAGE. All Rights Reserved. Adapted with permission.

Part B

Complete the questions below. Be specific and provide examples when relevant.

Cite any sources consistent with APA guidelines.

Question
Answer
Salkind (2011) describes statistics as a “set of tools” (p. 18). How do behavioral scientists use those tools?
According to Salkind (2011), “statisticians in all different areas from criminal justice to geophysics to psychology find themselves using basically the same techniques to answer different questions. There are, of course, important differences in how data are collected, but for the most part, the analyses (the plural of analysis) that are done following the collection of data (the plural of datum) tend to be very similar even if called something different” (p. 7). Behavioral scientist use stats to measure treatments to depression, reasons for aggression, racism, etc. There are so many things that can be measured behaviorally.
How would you use descriptive statistics to report the effectiveness of a

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