Name_____________
Class Period________
Practice Problems
Use the provided data sets to answer the following questions. You may work as a group,
but only in your assigned seats. This will be due on Friday or Monday whichever day
you have me. Remember to provide appropriate Scales and Labels for your Graphs.
1. Use the following categorical data to construct a pie chart and bar graph. Use graph
paper to show the bar graph. Remember to properly label your graphs. When is it best to
use a pie chart or bar graph?
Radio Station Formats using Arbitron rating services
Format
Count of Stations Percent of Stations
Adult Contemporary
1556
Adult standards
1196
Contemporary hit
569
Country
2066
News/Talk/Information
2179
Oldies
1060
Religious
2014
Rock
869
Spanish Language
750
Other formats
1579
TOTAL
2. IQ test scores for 60 randomly chosen 5th graders
145 139 126 122 125 130 96 110 118 118
101 142 134 124 112 109 134 113 81 113
123 94 100 136 109 131 117 110 127 124
106 124 115 133 116 102 127 117 109 137
117 90 103 114 139 101 122 105 97 89
102 108 110 128 114 112 114 102 82 101
A. Order the data.
B. Find the Mean, Median, Mode, and Range of the data.
C. Construct a frequency table.
D. Construct a dot plot.
E. Construct a histogram.
F. Construct a stem plot for the data above
G. Find the Minimum, Maximum, Median, Upper Quartile, Lower Quartile, and InterQuartile Range (IQR).
H. Which graph best describes the data and why did you choose this graph. I am looking
for a paragraph here and because it is the easiest is not the right answer.
3. The following table shows the number of births in the United States and the birthrates
at 10-year intervals from 1960 to 2000. The birthrate is the number of births per 1000
population.
Year
1960
1970
1980
1990
2000
Total Number
4,257,850
3,731,386
3,612,258
4,092,994
4,058,814
Rate
23.7
18.4
15.9
16.7
14.4
A. Order the data.
B. Find the Mean, Median, Mode, and Range of the data.
C. Construct a frequency table.
D. Construct a dot plot.
E. Construct a histogram.
F. Find the Minimum, Maximum, Median, Upper Quartile, Lower Quartile, and InterQuartile Range (IQR).
G. Which graph best describes the data and why did you choose this graph. I am looking
for a paragraph here and because it is the easiest is not the right answer.
4. American municipal solid waste in 2000.
Material
Wt (million tons)
Food Scraps
25.9
Glass
12.8
Metals
18.0
Paper
86.7
Plastic
24.7
Rubber, textiles
15.8
Wood
12.7
Yard trimmings
27.7
Other
7.5
A. Order the data.
B. Find the Mean, Median, Mode, and Range of the data.
C. Construct a frequency table.
D. Construct a dot plot.
E. Construct a histogram.
F. Find the Minimum, Maximum, Median, Upper Quartile, Lower Quartile, and InterQuartile Range (IQR).
G. Which graph best describes the data and why did you choose this graph. I am looking
for a paragraph here and because it is the easiest is not the right answer.
5. DRP Test Scores: There are many ways to measure reading ability of children. One
method is Degree of Reading Power (DRP). The following data is a research study on 3rd
grade students. Their scores were
40
47
52
47
26
19
25
35
39
26
35
48
14
35
35
22
42
34
33
33
18
15
29
41
25
44
34
51
43
40
41
27
46
38
49
14
27
31
28
54
19
46
52
45
A. Order the data.
B. Find the Mean, Median, Mode, and Range of the data.
C. Construct a frequency table.
D. Construct a dot plot.
E. Construct a histogram.
F. Find the Minimum, Maximum, Median, Upper Quartile, Lower Quartile, and InterQuartile Range (IQR).
G. Which graph best describes the data and why did you choose this graph. I am looking
for a paragraph here and because it is the easiest is not the right answer.
6. Life Expectancy: Most people are aware that life expectancy is much longer now
than it was in the past. Here are the numbers for women provided by the National Center
of Health Statistics.
Year
1900
1910
1920
1930
1940
1950
Life Expectancy
48.3
51.8
54.6
61.6
65.2
71.1
Year
1960
1970
1980
1990
2000
Life Expectancy
73.1
74.7
77.5
78.8
79.5
A. Order the data.
B. Find the Mean, Median, Mode, and Range of the data.
C. Construct a frequency table.
D. Construct a dot plot.
E. Construct a histogram.
F. Find the Minimum, Maximum, Median, Upper Quartile, Lower Quartile, and InterQuartile Range (IQR).
G. Which graph best describes the data and why did you choose this graph. I am looking
for a paragraph here and because it is the easiest is not the right answer.