Psy 315 Statistical Reasoning in Psychology
Name:
Chapter 1 Instructions
Practice Problem 12, 15, 21, & 22
Due Week 1 Day 6 (Sunday)
Follow the instructions below to submit your answers for Chapter 1 Practice Problem 12, 15, 21, & 22.
1. Save Chapter 1 Instructions to your computer.
1. Type your answers into the shaded boxes below. The boxes will expand as you type your answers.
1. Each shaded box is worth 1 point unless otherwise noted; thus, 28 points total for Chapter 1.
1. Resave this form to your computer with your answers filled-in.
1. Upload the saved form to the Assignment Files tab.
Read each question in your text book and then type your answers for Chapter 1 Practice Problem 12, 15, 21, & 22 in the corresponding spaces below.
12f. discrete –
15a. Type your answers to Practice Problem 15a in the shaded boxes below. The interval has been filled in for you. The “f” represents the frequency, and “%” represents the relative percentage for each interval. The Interval was obtained by creating a grouped frequency table with Excel. You are strongly encouraged to work through the “Recommended” Learning Activity titled “Grouped Frequency Distributions and Histograms” before attempting the data in problem 15.
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Interval |
f |
% |
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50 - 56 | ||
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43 - 49 |
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36 - 42 |
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29 - 35 |
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22 - 28 |
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15 - 21 |
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15b. Create a histogram from the information in the grouped frequency table in 15a. Attach your histogram as a separate document along with this answer template. Note that problem 15b is worth 5 points.
15c. In the shaded box below, describe the general shape of the distribution in 15b.
21a. Explain the idea of frequency table 1-10 below:
21b. Explain the meaning of the pattern of results below:
22a. Explain the idea of frequency table 1-11 below:
22b. Explain the meaning of the pattern of results below: