Final Exam Dec 2008, note this one has two parts. omit 4,5,39,48,56,57

Final Exam Dec 2008, note this one has two parts. omit 4,5,39,48,56,57

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Final Examination December 12 2008 Math 1P98 page 1 of 22 THIS EXAMINATION PAPER WILL NOT BE PLACED IN THE LIBRARY. BROCK UNIVERSITY Final Examination: Dec 2008 Number of Pages: 27 Course: Math 1P98 Number of Students: 1232 Date of Examination: Dec 12 Number of hours: 3 Time of Examination: 7:00 -10:00 pm Instructors: D. Miners, C. Buteau, S. Yee, D. Short Name__________________________________ Student Number_________________ ________________________________________________________________ VERSION A PART 1 Write your name on the scantron sheet and shade in the boxes for your student number. Write “Version A” in the top corner of the scantron. Your scantron sheet must be covered at all times, paper clip it to the back of Part 2. Tables are at the end of Part 1. One piece of coloured paper, containing hand writing and nothing glued, attached, printed or photocopied on this paper, and a non graphing calculator are the only aids permitted. Use or possession of unauthorized materials will result in a grade of zero for this examination. Also note that in order to pass this course you must obtain at least 30% on this examination. All answers are correct to 3 significant digits unless otherwise specified. “None of the above” correct answers are different than any of the choices by at least 2 in the third significant digit.
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Final Examination December 12 2008 Math 1P98 page 2 of 22 Part 1 All questions are 1 mark each. 1. What is the median house price in a street, when houses were sold for $295000, $430000, $268000, $890000 and $320000 ? a. $268000 b. $320000 c. $295000 d. $430000 e. none of the above 2. A grocery store is studying the weight of purchases in one bag. A random sample had weights 2.3, 4.1, 1.8, 1.9, 1.9, 2.8 kg. The standard deviation of these weights is: a. 0.806 kg b. 0.764 kg c. 0.882 kg d. 0.912 kg e. none of the above 3. For the grocery store bags of the previous question: a. the mean is smaller than the mode. b. the difference between the mean and the mode is 0.567. c. the mean is smaller than the median. d. the mean, median and mode are all equal. 4. Frozen salad shrimp are packaged in 400 g bags. In order to estimate the number is a bag a random sample was counted with the following results. 170, 175, 177, 185, 190, 191, 200, 206, 209, 220, 221 shrimp. The interquartile range of this data is a. 83 b. 51 c. 32 d. 30 e. none of the above 5. Consider a box and whisker plot drawn with the data of the previous question. The length of the upper whisker as on the diagram is : a. 12 b. 7 c. 21 d. 30 e. none of the above
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Final Examination December 12 2008 Math 1P98 page 3 of 22 32 24 16 8 30 25 20 15 10 5 0 C1 Frequency 3 29 16 2 Age of People at a Movie 6. The histogram shows the ages of 50 randomly selected people entering a movie. The mean age is calculated to be approximately: a. 18.7 b. 20 c. 12.5 d. 21.3 7. The range of the ages in the histogram is: a. 24 b. 32 c. 30 d. 34 e. none of the above 8. The probability a person makes an appointment to put on snow tires in
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This note was uploaded on 05/03/2011 for the course MATH 1p98 taught by Professor Miners during the Fall '10 term at Brock University, Canada.

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Final Exam Dec 2008, note this one has two parts. omit 4,5,39,48,56,57

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