UNDERSTANDABLE STATISTICS(LL)/ACCESS
12th Edition
ISBN: 9781337805094
Author: BRASE
Publisher: CENGAGE L
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Textbook Question
Chapter 2.1, Problem 17P
For Problems 15-20, use the specified number of classes to do the following.
- (a) Find the class width.
- (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies.
- (c) Draw a histogram.
- (d) Draw a relative-frequency histogram.
- (e) Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or skewed right.
- (f) Draw an ogive.
- (g) Interpretation Discuss some of the features about the data that the graphs reveal. Consider items such as data
range , location of the middle half of the data, unusual values, outliers, etc.
17. Medical: Tumor Recurrence Certain kinds of tumors tend to recur. The following data represent the lengths of time, in months, for a tumor to recur after chemotherapy (Reference: D. P. Byar, Journal of Urology, Vol. 10, pp. 556–561). Note: These data are also available for download at the Companion Sites for this text.
Use five classes.
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A
V
G
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V
V
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V A
G
V
G
A
G
V
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Required:
a. Frequency Distribution
b. Bar Graph (Manual lay-out/Excel)
Pie Chart (Manual lay-out/Excel)
C.
d. Conclusion
You want to graphically compare the distribution of salaries for mid-level managers between your three manufacturing divisions. Each division has between 37 and 80 mid-level managers. The best way to display the information for this purpose is with a: side by side subplot
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Chapter 2 Solutions
UNDERSTANDABLE STATISTICS(LL)/ACCESS
Ch. 2.1 - Statistical Literacy What is the difference...Ch. 2.1 - Statistical Literacy A data set has values ranging...Ch. 2.1 - Statistical Literacy A data set has values ranging...Ch. 2.1 - Prob. 4PCh. 2.1 - Basic Computation: Class Limits A data set with...Ch. 2.1 - Prob. 6PCh. 2.1 - Interpretation You are manager of a specialty...Ch. 2.1 - Prob. 8PCh. 2.1 - Critical Thinking Look at the histogram in Figure...Ch. 2.1 - Critical Thinking The following data represent...
Ch. 2.1 - Interpretation Histograms of random sample data...Ch. 2.1 - Prob. 12PCh. 2.1 - Interpretation The ogives shown are based on U.S....Ch. 2.1 - Prob. 14PCh. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - Prob. 18PCh. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - Prob. 20PCh. 2.1 - Expand Your Knowledge: Decimal Data The following...Ch. 2.1 - Decimal Data: Batting Averages The following data...Ch. 2.1 - Expand Your Knowledge: Dotplot Another display...Ch. 2.1 - Prob. 24PCh. 2.1 - Dotplot: Tumor Recurrence Make a dotplot for the...Ch. 2.2 - Interpretation Consider graph (a) of Reasons...Ch. 2.2 - Reasons People Like Texting on Cell Phones (b)...Ch. 2.2 - Critical Thinking A personnel office is gathering...Ch. 2.2 - Prob. 4PCh. 2.2 - Education: Does College Pay Off? It is costly in...Ch. 2.2 - Prob. 6PCh. 2.2 - Commercial Fishing: Gulf of Alaska Its not an easy...Ch. 2.2 - Prob. 8PCh. 2.2 - Lifestyle: Hide the Mess! A survey of 1000 adults...Ch. 2.2 - Prob. 10PCh. 2.2 - FBI Report: Hawaii In the Aloha state, you are...Ch. 2.2 - Prob. 12PCh. 2.2 - Prob. 13PCh. 2.2 - Prob. 14PCh. 2.2 - Prob. 15PCh. 2.2 - Prob. 16PCh. 2.3 - Cowboys: Longevity How long did real cowboys live?...Ch. 2.3 - Ecology: Habitat Wetlands offer a diversity of...Ch. 2.3 - Health Care: Hospitals The American Medical...Ch. 2.3 - Health Care: Hospitals Using the number of...Ch. 2.3 - Expand Your Knowledge: Split Stem The Boston...Ch. 2.3 - Prob. 6PCh. 2.3 - Prob. 7PCh. 2.3 - Prob. 8PCh. 2.3 - Prob. 9PCh. 2.3 - Prob. 10PCh. 2 - Prob. 1CRPCh. 2 - Critical Thinking A consumer interest group is...Ch. 2 - Prob. 3CRPCh. 2 - Prob. 4CRPCh. 2 - Prob. 5CRPCh. 2 - Prob. 6CRPCh. 2 - Prob. 7CRPCh. 2 - Prob. 8CRPCh. 2 - Prob. 9CRPCh. 2 - Prob. 10CRPCh. 2 - Prob. 11CRPCh. 2 - Prob. 12CRPCh. 2 - Prob. 1DHCh. 2 - Prob. 2DHCh. 2 - In your own words, explain the differences among...Ch. 2 - What do we mean when we say a histogram is skewed...Ch. 2 - Discuss the statement that stem-and-leaf displays...Ch. 2 - Prob. 1UTCh. 2 - Prob. 2UTCh. 2 - Prob. 3UT
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- Use the frequency histogram to complete the following parts. (a) Identify the class with the greatest, and the class with the least, relative frequency. (b) Estimate the greatest and least relative frequencies. (c) Describe any patterns with the data. (a) The class with the greatest relative frequency is to centimeters. (Type integers or decimals. Do not round. Use ascending order.) The class with the least relative frequency is to centimeters. (Type integers or decimals. Do not round. Use ascending order) (b) The greatest relative frequency is about (Round to two decimal places as needed.) The least relative frequency is about (Round to two decimal places as needed) Relative frequency 0.25 0.2 0.15- 0.1- 0.05- 0- Female Fibula Lengths 30.5 31.5 32.5 33.5 34.5 35.5 36.5 37.5 38.5 39.5 Length (in centimeters) OUarrow_forwardRichard’s doctor had told him he needed to keep track of his blood sugar readings. Listed below are his 20 latest readings. He wanted to create a visual aid for himself in order to see how his blood sugar was doing. 75 125 110 82 178 209 150 130 120 142 90 98 107 163 135 129 147 152 110 100 A. Create a frequency distribution table for the given data set. B. Create a histogram for the data set. C. Describe the distribution of the data.arrow_forwardMake frequency tables for the following data sets. Include columns for relative and cumulative frequency. Construct a Frequency Distribution using a class width of 5 points (5 point-bins), beginning with a lower class limit of 60. Include columns for relative frequency and cumulative for relative frequency and cumulative frequency. Also, make a relative frequency histogram. 89, 67, 78, 75, 64, 70, 83, 95, 69, 84, 77, 88, 98, 90, 92, 68, 86, 79, 60, 96arrow_forward
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