stat 1 hw

stat 1 hw - Cengiz Rahmioglu Penn ID: 37479511 STAT 101 HW...

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Cengiz Rahmioglu Penn ID: 37479511 STAT 101 HW 1. (a) If we assume that my book expenses cost $1000 per year, reducing the cost of the books by 5 or 10% would save me $50-$100 each year. (b)&(c) The name column and type of the book columns contain categorical data whereas the price columns contain numerical data.
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Cengiz Rahmioglu Penn ID: 37479511 Name of the Book Type of the Book Price at amazon.com Price at barnesandnoble.com If I did it Popular $14.97 $17.46 The Wednesday Letters Popular $11.97 $13.96 The Secret Popular $14.37 $16.76 Harry Potter Book 7 Popular $19.24 $24.49 A Thousand Splendid Suns Popular $14.27 $18.16 The Art of Belly Dance Recreational $12.98 $13.45 Drawing and Painting Techniques Recreational $3.86 $11.68 Healthy Cooking for Two Recreational $12.21 $14.36 The Digital Photography Book Recreational $13.59 $13.99 Spa Living Recreational $26.37 $31.96 Calculus by Stewart School $139.33 $163.26 International Economics School $111.90 $119.84 Thinking Strategically School $16.15 $12.21 Europe Unites School $31.95 $31.95
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Cengiz Rahmioglu Penn ID: 37479511 The Oxford Spanish Dictionary School $49.95 $47.97
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Cengiz Rahmioglu Penn ID: 37479511 (d) I found all the books I started with. This might be because amazon.com and barnesandnoble.com are two of the largest bookstores on the Internet. (e) Most of the books listed above are eligible for free shipping and tax is included in the prices. The price of shipping generally depends on how many books you buy from that Internet store and what shipping option you select. Any additional prices should be included in the price because the extra cost that will be caused by shipping or tax might affect our decision. (f) Apparently, it is possible to see a pattern in popular and recreational books. The prices at amazon.com are always cheaper according to our data. However, the school books which cost more than $100 are cheaper at barnesandnoble.com. As we have only checked the price of five school books, it’s hard to say whether the school books at Barnes& Noble tend to be cheaper or what we have found is noise rather than a clear pattern. Analyzing these results would suggest buying popular and recreational books from amazon.com as that would save us a lot of money in the long run. However, getting the Barnes& Noble
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This note was uploaded on 06/22/2008 for the course STAT 101 taught by Professor Heller during the Fall '08 term at UPenn.

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stat 1 hw - Cengiz Rahmioglu Penn ID: 37479511 STAT 101 HW...

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