WebAssign Printed Access Card for Brase/Brase's Understandable Statistics: Concepts and Methods, 12th Edition, Single-Term
12th Edition
ISBN: 9781337652551
Author: Charles Henry Brase, Corrinne Pellillo Brase
Publisher: Cengage Learning
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Textbook Question
Chapter 2.3, Problem 5P
Expand Your Knowledge: Split Stem The Boston Marathon is the oldest and best-known U.S. marathon. It covers a route from Hopkinton, Massachusetts, to downtown Boston. The distance is approximately 26 miles. The Boston Marathon web site has a wealth of information about the history of the race. In particular, the site gives the winning times for the Boston Marathon. They are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each:
Earlier Period
Recent Period
- (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. Use two lines per stem.
- (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. Use two lines per stem.
- (c) Interpretation Compare the two distributions. How many times under 15 minutes are in each distribution?
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Grapple Task
Even though bodegas are an important source of food
for people in NYC, they are less likely to have healthy
food options than supermarkets. Only 1 in 3 bodegas
carry fresh fruit (apples, oranges or bananas) and only
1 in 50 bodegas sell green vegetables.
The ratio of supermarkets to bodegas varies by
neighborhood in New York City.
-For every 1 supermarket in Bushwick there are 31
bodegas.
-In contrast, there are 35 supermarkets and 175
bodegas in the Upper East Side.
Part A
How many bodegas are there per supermarket in the
Upper East Side? Show your thinking.
O 2:0
Which companies spend the most money on advertising? A news website maintains a list of the top-spending companies. In 2014, Company A spent more
than any other company, a whopping $5.30 billion. In second place was Company B, which spent $3.28 billion. The top 12 companies and the amount
each spent on advertising in billions of dollars are as follows.
Advertising
($ billions)
Advertising
($ billions)
Company
Company
A
5.30
G
2.29
3.28
H
1.75
3.41
I
1.89
2.76
2.27.
E
2.54
K
1.96
2.04
1.58
(a) What is the mean amount (in billion dollars) spent on advertising? (Round your answer to two decimal places.)
billion
(b) What is the median amount (in billion dollars) spent on advertising?
billion
(c) What are the first and third quartiles (in billion dollars)?
first quartile
%24
billion
third quartile
%24
billion
Chapter 2 Solutions
WebAssign Printed Access Card for Brase/Brase's Understandable Statistics: Concepts and Methods, 12th Edition, Single-Term
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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