s2003Review1

# s2003Review1 - Review for Exam I Econ 207 Dr. Khan 1.a. For...

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Review for Exam I Econ 207 Dr. Khan 1.a. For the following sample, compute and interpret its mean, median, mode, variance, and standard deviation. (Sample is amount of money spent on textbooks by random students at MSU, Fall 2001) 105 95 98 75 84 87 99 105 112 123 132 95 115 94 90 77 95 89 92 102 122 124 133 91 135 85 78 85 74 97 109 111 102 93 82 85 b. Compute and interpret second quartile. c. Construct frequency, percentage frequency, and cumulative relative frequency distributions with six classes for the above sample data. e. Construct a histogram and a pie chart for the data. (hint: use part (d)) f. Is the variable “money spend on textbooks” discrete? Why or why not? 2. Problem 34 (page 100). 3. The results of an automobile ownership survey are summarized in the following table. Location --------------------------------------------------- Type of Car Owned Large City Suburb Rural ------------------------ ------------- -------- ------- Foreign 90 60 25 Domestic 110 90 125 a. What is the probability that a rural resident owns domestic car? b.

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## This note was uploaded on 04/27/2011 for the course ECON 207 taught by Professor Bcd during the Spring '11 term at University of Houston.

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s2003Review1 - Review for Exam I Econ 207 Dr. Khan 1.a. For...

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