Loras Tyrell was curious to see if his students actually saved money by purchasing books from sources other than the college bookstore. He administered a survey to all his students asking how they obtained their book (Bookstore, Rented, ebook, or on the web – WebBooks) and how much they paid for the book. He obtained the information below.  If the values for web-books are normally distributed, we know that of the students who purchased their book on the web (WebBooks), about 68.3%

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Dr. Loras Tyrell was curious to see if his students actually saved money by purchasing books from sources other than the college bookstore. He administered a survey to all his students asking how they obtained their book (Bookstore, Rented, ebook, or on the web – WebBooks) and how much they paid for the book. He obtained the information below. 

If the values for web-books are normally distributed, we know that of the students who purchased their book on the web (WebBooks), about 68.3% of those students paid approximately $----- to ----?

Statistics
Bookstore Rented
eBook
WebBooks
Valid
8
8
8
Missing
Мean
Median
Mode
Std. Deviation
Variance
Range
70.5000
70.5000
42.00a
30.46778
928.286
57.00
51.1250
52.5000
45.00
14.63301
214.125
46.00
21.1250
22.0000
11.00a
4.99821
24.982
16.00
12.7500
9.5000
9.00
10.99026
|120.786
31.00
Transcribed Image Text:Statistics Bookstore Rented eBook WebBooks Valid 8 8 8 Missing Мean Median Mode Std. Deviation Variance Range 70.5000 70.5000 42.00a 30.46778 928.286 57.00 51.1250 52.5000 45.00 14.63301 214.125 46.00 21.1250 22.0000 11.00a 4.99821 24.982 16.00 12.7500 9.5000 9.00 10.99026 |120.786 31.00
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