Answered: 1. State your hypotheses (in words). 2.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:1. State your hypotheses (in words). 2. Calculate the degree of freedom. 3. Identify the critical value. 4. Sketch the sampling distribution and mark the part you are interested in. 5. Set up a crosstab as shown in Lecture Slide 9 (Chapter 15 file). Enter observed and expected frequencies in each cell. Show how you calculated each expected frequency. You will get decimals, but you can round to one or two decimals. 6. Compute X² using the information from Step 5. 7. Is your X2 in the critical region? Reject or fail to reject the null hypothesis? What is your final conclusion about avatar choice and gamer personality?

Transcribed Image Text:18. A recent study indicates that people tend to select vid- eo game avatars with characteristics similar to those of their creators (Bélisle & Onur, 2010). Participants who had created avatars for a virtual community game completed a questionnaire about their personalities. An independent group of viewers examined the ava- tars and recorded their impressions of the avatars. One personality characteristic considered was introverted/ extroverted. The following table shows frequency distribution of personalities for participants and the avatars they created. Participant Personality Introverted Extroverted Introverted 22 23 45 Avatar Extroverted 16 39 55 Avatar 38 62 a. Is there a significant relationship between the per- sonalities of the participants and the personalities of their avatars? Test with a = .05.

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