Intro to Stat_Part_8

Intro to Stat_Part_8 - 38 CHAPTER 2 DESCRIPTIVE STATISTICS...

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38 CHAPTER 2. DESCRIPTIVE STATISTICS i. By scaling the Couples graph differently, how did it change the way you compared it to the Singles? j. Based on the graphs, do you think that individuals spend the same amount, more or less, as singles as they do person by person in a couple? Explain why in one or two complete sen- tences. Exercise 2.15 (Solution on p. 47.) Refer to the following histograms and box plot. Determine which of the following are true and which are false. Explain your solution to each part in complete sentences. a. The medians for all three graphs are the same. b. We cannot determine if any of the means for the three graphs is different. c. The standard deviation for (b) is larger than the standard deviation for (a). d. We cannot determine if any of the third quartiles for the three graphs is different. Exercise 2.16 Refer to the following box plots.
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39 a. In complete sentences, explain why each statement is false. i. Data 1 has more data values above 2 than Data 2 has above 2. ii. The data sets cannot have the same mode. iii.
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This document was uploaded on 10/31/2011 for the course STA 2023 at University of Florida.

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Intro to Stat_Part_8 - 38 CHAPTER 2 DESCRIPTIVE STATISTICS...

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