# Psy/315 Week 2 Worksheet Essay

1174 Words Apr 6th, 2016 5 Pages
University of Phoenix Material- Instructor: Mesha Mathis

Week 2 Practice Worksheet

Prepare a written response to the following questions.

Chapter 3

1. For the following scores, find the mean, median, and the mode. Which would be the most appropriate measure for this data set?

2, 2, 0, 5,1, 4,1, 3, 0, 0, 1, 4, 4, 0,1, 4, 3, 4, 2, 1 Mean- (2+2+0+5+1+4+1+3+0+0+1+4+4+0+1+4+3+4+2+1)/20= 2.15 Median- 2.10 Mode- numbers 1 and 4 The most appropriate measure for this data set would be mean as it involves all the numbers combined.

2. Based on the scale of measurement for each variable listed below, which measure of central tendency is most appropriate for describing the data?

a. The time
Explain the numbers in this table to a person who has never had a course in statistics. (Be sure to explain some specific numbers, as well as the general principle of the mean and standard deviation.) For your interest, the pattern of results shown here supported the researchers’ hypothesis: “Relative to a neutral instructional climate, a controlling climate thwarting the need for autonomy…enhanced accessibility for autonomy-related words.” (p.924).

|Mean Latencies (in Milliseconds) in the Lexical Task Assessing Accessibility for Autonomy-Related Constructs |
|(Experiment 1) |
| |Condition |
| |Autonomy Deprivation | |Neutral |
|Construct |M |SD | |M |SD |
|Autonomy-related words |782 |211 | |857 |243 |
|Neutral

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