Exam 12: Voting Methods
Exam 1: Problem Solving33 Questions
Exam 2: Set71 Questions
Exam 3: Logic80 Questions
Exam 4: Numeration Systems84 Questions
Exam 5: The Real Number System133 Questions
Exam 6: Topics in Algebra99 Questions
Exam 7: Consumer Mathematics125 Questions
Exam 8: Measurement92 Questions
Exam 9: Geometry36 Questions
Exam 10: Probability and Counting Techniques93 Questions
Exam 11: Statistics95 Questions
Exam 12: Voting Methods102 Questions
Exam 13: Graph Theory58 Questions
Exam 14: Available Online: Other Mathematical Systems27 Questions
Exam 15: Summary41 Questions
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Use a scatter plot to determine the relationship between the x values and the y values. x 4 2 7 5 3 6 1 y 23 11 35 27 19 33 6
(Multiple Choice)
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Draw a scatter plot and describe the relationship. x 3 6 7 5 1 4 2 y 10 1 2 10 5 6 3
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The GPAs of 20 students are given below. Construct a stem and leaf plot for the data using whole numbers as stems and the decimals as leaves.
1.6 2.0 2.6 2.9 2.3 3.9 4.0 2.5 3.5 3.8 3.5 2.2 0.6 1.6 4.0 1.8 3.0 2.3 3.1 2.1
(Essay)
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These data represent the number of stray cats in a small town for the years listed. Draw a time series graph for the data.
Year 1998 1999 2000 2001 2002 2003 Number 29 38 51 42 45 56
(Essay)
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An aptitude test has a mean of 400 and a standard deviation of 40. The test scores are normally distributed. If 2500 people take the test, find the number of people who will score between 314 and 490.
(Multiple Choice)
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Use a scatter plot to determine the relationship between the x values and the y values. x 7 2 4 5 1 6 3 y 5 26 20 15 30 12 25
(Multiple Choice)
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Fifty people participated in a poll to determine their favorite ice cream flavor. Use the data to construct a bar graph.
Flavor Number Chocolate 15 Strawberry 8 Vanilla 13 Other 14
(Essay)
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Find the area under the normal distribution curve between z = 0 and z = -2.65.
(Short Answer)
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Find the value for the correlation coefficient r . x 2 7 3 4 5 1 6 y 6 1 5 3 6 12 2
(Short Answer)
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Find the range, variance, and standard deviation for the given data. The table below shows the average points scored per game by several intramural softball teams. Round to one decimal place.
Team Points Bombers 5.9 Crunchers 10.9 Homers 15.7 Pelters 9.9 Smackers 14.9 Whoppers 7.5
(Multiple Choice)
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Fifty ten-year-olds were monitored to determine the number of hours per week
they spent watching television, surfing the net, and playing video games. The
results were used to obtain the frequency distribution below. Construct a
histogram for the data.
Class Frequency 0-4 2 5-9 7 10-14 7 15-19 15 20-24 10 25-29 5 30-34 3 35-39 1
(Essay)
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Fifty 10-year-olds were monitored to determine the number of hours per week they spent watching television, surfing the net, and playing video games. The results were used to obtain the frequency distribution below. Construct a histogram and frequency polygon for the data.
Class Frequency 0-4 2 5-9 7 10-14 7 15-19 15 20-24 10 25-29 5 30-34 3 35-39 1
(Essay)
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Find the equation of the regression line and predict y when x=16 . x 2 4 3 5 1 y 12 19 16 19 8
(Short Answer)
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The grades on a college math exam are shown below. Construct a stem and leaf plot for the data.
79 78 56 81 73 63 54 70 71 83 79 99 84 85 92 74 95 76 90 80 78 95 85 81 75 66 78 57 73 59
(Essay)
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These data represent the number of trees in a certain seaside town. Draw a time series graph for the data.
Year 1990 1991 1992 1993 1994 1995 Number 200 192 183 197 206 203
(Essay)
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The following frequency distribution shows for a certain high school the number of freshmen, sophomores, juniors, and seniors who smoke. Construct a pie chart for the data.
Rank Frequency Freshmen 14 Sophomores 20 Juniors 31 Seniors 35
(Essay)
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Find the mean, median, mode, and midrange for the data provided. The data shows hours spent at work for a group of men.
Name Hours Alvin 64.9 Juan 59.1 Sean 56.9 Victor 47.7 Chan 42.7 Jacques 41.3 Philip 35.5 Roberto 29.7
(Multiple Choice)
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These data represent the number of stray dogs in a certain city for the years listed. Draw a time series graph for the data.
Year 1998 1999 2000 2001 2002 2003 Number 5 3 6 8 9 4
(Essay)
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