Exam 2: Frequency Distributions and Graphs

Construct a Pareto chart for the following distribution: Major Number of Students Business 49 Science 15 Engineering 41 Social Sciences 8 Liberal Arts 33 Education 22

The following table presents the purchase totals (in dollars) of a random sample of gasolit purchases at a convenience store. Construct a frequency distribution using a class width of 10 , and using 0 as the lower clas for the first class. 76.59 48.55 93.66 60.17 39.10 93.28 65.43 34.12 80.41 77.16 80.07 93.46 39.19 43.84 44.70 68.74 89.98 6.97 52.86 68.93

$\text { Construct a frequency polygon from the following frequency distribution. }$ Temperature Frequency 28.5-31.5 1 31.5-34.5 3 34.5-37.5 6 37.5-40.5 10 40.5-43.5 8 43.5-46.5 7

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

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

If the limits for a class were 20-38, the boundaries would be 19.5-38.5.

Which of the following pairs of class limits would be appropriate for grouping the numbers 11, 14, 9, and 16?

The following frequency distribution presents the frequency of passenger vehicles that pa: through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 11 Sedan 60 SUV 80 Truck 39 s What is the relative frequency of the Motorcyle category?

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

Construct a pie chart for the following distribution: Number of Students Business 128 Science 36 Engineering 60 Social Sciences 40 Liberal Arts 88 Education 48

The following frequency distribution presents the frequency of passenger vehicles that pa: through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 9 Sedan 54 SUV 27 Truck 53 Construct a relative frequency bar graph for the data.

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 8 140-149 7 150-159 7 160-169 6 170-179 5 180-189 6 190-199 4 Construct a frequency histogram.

A histogram is a graph that represents the cumulative frequencies for the classes in a frequency distribution.

For grouped frequency distributions, the is obtained by adding the lower and upper limits and dividing by 2.

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. 51.13 6.11 36.05 22.27 94.54 49.64 52.78 79.28 51.88 6.29 33.57 53.92 24.91 23.89 79.10 14.86 63.94 15.87 76.44 60.96

The lower class limit represents the smallest data value that can be included in the class.

Which of the following could be a cumulative frequency graph?

What are the boundaries of the class 11-18?

Find the class boundaries, midpoint, and width of the class 15.2-18.1?

State the reason why the following frequency distribution is incorrectly constructed. Class Frequency 124-129 1 130-135 7 142-147 11 148-153 14