Exam 2: Graphical Summaries of Data

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 7 Sedan 79 SUV 78 Truck 45 What is the relative frequency of the SUV category?

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a relative frequency histogram using a class width of 10, and using 0 as the lower class limit for the first class. 22.75 53.99 60.56 86.86 10.98 28.88 77.87 5.04 68.60 40.07 74.42 52.19 94.89 29.08 50.87 13.49 50.49 43.20 55.53 49.59

Construct a stem-and-leaf plot for the following data. 22 38 51 12 57 33 67 20 31 29 19 48 19 31 29 53 54 21 22 55

Classify the histogram as unimodal or bimodal.

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day Vehicle Type Frequency Motorcycle 6 Sedan 26 SUV 30 Truck 21 Construct a pie chart for the data.

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day Vehicle Type Frequency Motorcycle 13 Sedan 78 SUV 88 Truck 35 Construct a relative frequency distribution for the data.

Which of the following presents the most honest graphical representation of the ratio "5 to 2"?

One hundred students are shown an eight-digit number on a piece of cardboard for three seconds and are asked to then recite the number from memory. The process is repeated until the student accurately recites the entire number from memory. The following histogram presents the number of trials it took each student to memorize the number How many students memorized the number in three trials or less?

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Construct a relative frequency histogram.

A sample of 200 high school students were asked how many hours per week they spend watching television.The following frequency distribution presents the results. Construct a frequency polygon for the frequency distribution.

A sample of 200 high school students were asked how many hours per week they spend watching television.The following frequency distribution presents the results. Construct a relative frequency polygon for the frequency distribution.

The following bar graph presents the average amount a certain family spent, in dollars, on various food categories in a recent year. On which food category was the most money spent?

A sample of 200 high school students were asked how many hours per week they spend watching television.The following frequency distribution presents the results. Construct a relative frequency ogive for the frequency distribution.

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a relative frequency distribution using a class width of 10, and using 0 as the lower class limit for the first class. 44.52 72.67 51.20 59.41 64.86 98.05 80.24 56.18 51.93 46.17 88.08 46.49 24.48 50.26 36.77 27.61 6.56 22.75 36.65 74.55

Construct a dotplot for the following data. 15 15 15 14 13 13 14 15 13 15 14 15 14 13 17 15 14 12 16 15

Following is a pie chart that presents the percentages spent by a certain household on its five largest annual expenditures. What percentage of the money spent was spent on food, housing, and utilities?

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Weights of Clinic Visitors Weight (lb) Frequency 100-109 1 110-119 3 120-129 3 130-139 4 140-149 7 150-159 7 160-169 13 170-179 6 180-189 3 190-199 3 Construct a frequency histogram.

The following pie chart presents the percentages of fish caught in each of four ratings categories. Match this pie chart with its corresponding Parato chart.

Classify the histogram as skewed to the left, skewed to the right, or approximately symmetric.

Thirty households were surveyed for the number of televisions in each home. Following are the results. 1 0 0 2 1 2 4 2 1 1 0 0 0 0 1 5 0 2 0 0 0 0 2 1 0 0 5 5 3 0 Construct a frequency histogram.