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Just 34 please CHAPTER 2 33. You are exploring the music in your iTunes library. The...
Just 34 please
CHAPTER 2 33. You are exploring the music in your iTunes library. The total play counts over the past year for the 27 songs on your "smart playlist" are shown below. Make a frequency distribution of the counts and describe its shape. It is often claimed that a small fraction of a person's songs will account for most of their total plays. Does this seem to be the case here? ILE, please vist 128 58 54 91 10 23 160 298 445 50 578 494 37 677 18 74 70 868 108 71 466 23 84 38 26 814 17 The monthly issues of the Journal of Finance are avaiable on the Internet. The table below shows the number of times an issue was downloaded over the last 33 months. Suppose that you wish to summarize the number of downloads with a frequency distibution. 34. FILE, pleaso visit e.com/lind16e 312 2,753 2,595 6,057 7.624 6,624 6,362 6,575 7,760 7,085 7,272 5,967 5,256 6,160 6,238 6709 7,193 5,631 6,490 6,682 7,829 7,091 6,871 6,230 7,253 5,507 5,676 6.974 6915 4,999 5,689 6,143 7.086 a. How marny classes would you propose? b. What class interval would you suggest? c. What quantity would you use for the lower limit of the initial class? d. Using your responses to parts (a), (b), and (cl, create a frequency distribution. e. Identify the appearance of the frequency distribution. 35. The following histogram shows the soores on the first exam for a statistics class. 25 20 15 10 s 3 50 60 80 90 100
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