Assignment3new

# Assignment3new - Be sure to follow the guidelines that were given out in class You do not have to use grouped intervals 9 bins one for each score

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Psychology 1167 Assignment 3 Due 9/28/10 Imagine that you are a teacher and that you have just given your class of 25 students a quiz. Their scores are as follows: Quiz Scores 6 7 9 2 8 8 4 8 9 2 4 1 1 7 8 2 3 8 9 1 9 8 6 5 9 You wish to know the basic distribution and central tendency of your class. Use this information to answer the following questions. You may also find it helpful to refer back to Assignment 2 to answer some of these questions. 1. What kind of graph is most appropriate for this data? Why? 2. Construct the graph that you gave as your answer for question 1.

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Unformatted text preview: Be sure to follow the guidelines that were given out in class. You do not have to use grouped intervals; 9 bins, one for each score, are fine. You must label both the x and y axes. Use a ruler. 3. Is your distribution skewed? If so, is it positively or negatively skewed? Once you have done that, calculate: 4. The mean 5. The median 6. The mode(s) 7. Which measure of central tendency, mean or median, is best to use in this situation? Support your answer....
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## This note was uploaded on 03/26/2011 for the course PSYCH 1167 taught by Professor Bingshi during the Spring '10 term at Temple.

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Assignment3new - Be sure to follow the guidelines that were given out in class You do not have to use grouped intervals 9 bins one for each score

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