ec-34 - 1 February 12, 2009 It is E370 Time! Announcements...

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1 February 12, 2009 It is E370 Time!!! Announcements Today’s Goals: You should be able to create a stem and leaf plot. compare the stem and leaf plot to a dot plot and a histogram. use a histogram to demonstrate what the “center” of a data set is. compare characteristics of three measures of center. use relative frequencies. Next Time Announcements The first homework assignment is posted and is due Wednesday at 8:00 PM. Please do not wait until the last minute to try to access the assignment. We will be unable to help you at the last minute. Response to some of your WarmUps Comments: You are not responsible for geometric mean kurtosis We will be talking about standard deviation in the next class period. Look at the stem and leaf plot for mother’s age from the last class. Look at a dot plot of this data. x xx x x xxx x x xxxxx x x x xxxxxxxx x x 131415161718192021222324252627282930313233343536373839 How do they compare?
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ec-34 - 1 February 12, 2009 It is E370 Time! Announcements...

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