MidtermA07(2) - Stat 311 Midterm 31 October 2007 Name:_...

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Stat 311 Midterm Name:__________________ 31 October 2007 Section:__________________ This is a closed book exam. You are allowed, however, to use the formula card that came with the textbook and to have one sheet (double-sided) of 8.5 x 11 paper with notes, either handwritten or typed. You may also use a calculator, although be sure to show your work. The exam consists of five problems worth a total of 100 points. Point values for each part of a question are designated in parentheses at the beginning of the problem. Be sure to show your work as indicated in order to receive credit. 1
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2 Problem 1 (10+5+5): Shown below is a histogram for eight year crown masses for 17 Douglas Fir trees. Some summary statistics are also given. 0 50 100 150 200 250 Mass 0 2 4 6 Min Q1 Median Q3 Max 17.00 49.00 88.00 112.00 230.00 a) Describe the distribution of the 17 Douglas Fir trees. b) Fill in the blank: Using the five number summary, a tree with a crown mass greater than __________ would be considered a potential outlier. Show your work in the space below.
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MidtermA07(2) - Stat 311 Midterm 31 October 2007 Name:_...

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