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STAT 201 Exam 1 Review

# STAT 201 Exam 1 Review - STAT 201 Exam 1 Review Fall 2010 1...

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STAT 201 Exam 1 Review Fall 2010 1. Identify whether each of the following variables is categorical or quantitative. If the variable is quantitative, also identify whether it is discrete or continuous. Number of siblings: __________________________________ Time needed to run a mile: __________________________________ Preferred brand of toothpaste: __________________________________ Weight of a trout: __________________________________ Favorite music genre: __________________________________ Zip code: __________________________________ Height of a building: __________________________________ Number of kittens in a litter: __________________________________ Eye color: __________________________________ Number of wins in a season: __________________________________

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STAT 201 Exam 1 Review Fall 2010 2. The data below shows the amount of points scored by the South Carolina Gamecocks men's basketball in the 2009-2010 season. 56, 57, 61, 61, 67, 69, 70, 74, 74, 76, 76, 78, 79, 80, 81, 88, 88, 90, 97 a. Find the quartiles for this data set. b. Calculate the IQR. c. Use the IQR criterion to determine whether or not 97 is a potential outlier. Show your work. ________________________________________________________
STAT 201 Exam 1 Review Fall 2010 3. The dot plot below displays the number of vehicles owned by each family in a neighborhood. a. Find the median number of vehicles owned.

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STAT 201 Exam 1 Review - STAT 201 Exam 1 Review Fall 2010 1...

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