Understandable Statistics: Concepts And Methods
12th Edition
ISBN: 9781337517508
Author: Charles Henry Brase, Corrinne Pellillo Brase
Publisher: Cengage Learning
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Chapter 11.4, Problem 7P
(i)
To determine
Convert the sequence of numbers to a sequence of symbols A and B.
(ii)
To determine
(a)
Find the level of significance.
State the null and alternative hypothesis.
(b)
Find the sample test statistic R, the number of runs.
(c)
Find the lower critical value.
Find the upper critical value.
(d)
Mention the conclusion of the test.
(e)
Interpret the conclusion in the context of the application.
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Day traders typically buy and sell stocks (or other investment instruments) during the trading day and sell all investments by the
end of the day. The following table shows the closing prices on September 22, 2015, of 12 stocks selected by your broker,
Prudence Swift, as well as the change that day.
Tech Stocks
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AAPL (Apple)
$113.40
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ADBE (Adobe Systems)
$84.66
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EBAY (eBay)
$25.61
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MSFT (Microsoft)
$3.90
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S (Sprint)
$4.40
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WIFI (Boingo Wireless)
$8.51
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Non-Tech Stocks
ANF (Abercrombie & Fitch)
$21.81
-0.02
в (Воeing)
$133.99
-2.03
F (Ford Motor Co.)
$13.91
-0.40
GE (General Electric)
$25.10
0.01
GIS (General Mills)
$57.12
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JNJ (Johnson & Johnson)
$93.26
0.13
On the morning of September 22, 2015, Swift advised you to purchase a collection of three tech stocks and two non-tech stocks,
all chosen at random from those listed in the table. You were to sell all the stocks at the end of the trading day.
(a) How many possible collections are possible?…
The rate of return for the last 19 years of a certain segment of the stock market is given in the table.
(The data is also provided below the table as a comma-separated list to make it easier to copy.)
Market Segment Rate of
Return, 2002-2020
Year
Rate of Return (%)
2020
3.23
2019
6.14
2018
11.39
2017
15.99
2016
3.24
2015
-3.86
2014
-1.04
2013
8.49
2012
5.93
2011
6.96
2010
1.98
2009
3.13
2008
-6.55
2007
7.27
2006
3.02
2005
-1.34
2004
7.28
2003
6.27
2002
-0.76
Rate of Return (%):
3.23, 6.14, 11.39, 15.99, 3.24, -3.86, -1.04, 8.49, 5.93, 6.96, 1.98, 3.13, -6.55, 7.27, 3.02, -1.34, 7.28,
6.27, -0.76
Find the 34th percentile of the data.
6.46
A stock has monthly returns of 4%, 5%, 2%, and -3%. Its geometric average return is closest to:
O 195
O 2.43
O 3.36
O 4.17
Chapter 11 Solutions
Understandable Statistics: Concepts And Methods
Ch. 11.1 - Statistical Literacy To apply the sign test, do...Ch. 11.1 - Prob. 2PCh. 11.1 - Economic Growth: Asia Asian economies impact some...Ch. 11.1 - Debt: Developing Countries Borrowing money may be...Ch. 11.1 - Education: Exams A high school science teacher...Ch. 11.1 - Prob. 6PCh. 11.1 - Prob. 7PCh. 11.1 - Prob. 8PCh. 11.1 - Prob. 9PCh. 11.1 - Prob. 10P
Ch. 11.1 - Prob. 11PCh. 11.1 - Prob. 12PCh. 11.2 - Prob. 1PCh. 11.2 - Prob. 2PCh. 11.2 - Prob. 3PCh. 11.2 - Prob. 4PCh. 11.2 - Prob. 5PCh. 11.2 - Prob. 6PCh. 11.2 - Prob. 7PCh. 11.2 - Prob. 8PCh. 11.2 - Prob. 9PCh. 11.2 - Prob. 10PCh. 11.2 - Prob. 11PCh. 11.3 - Prob. 1PCh. 11.3 - Statistical Literacy Consider the Spearman rank...Ch. 11.3 - Prob. 4PCh. 11.3 - Prob. 5PCh. 11.3 - Prob. 6PCh. 11.3 - Prob. 7PCh. 11.3 - Prob. 8PCh. 11.3 - Prob. 9PCh. 11.3 - Prob. 10PCh. 11.3 - Prob. 11PCh. 11.4 - Prob. 1PCh. 11.4 - Prob. 2PCh. 11.4 - Prob. 3PCh. 11.4 - Prob. 4PCh. 11.4 - Prob. 5PCh. 11.4 - Prob. 6PCh. 11.4 - Prob. 7PCh. 11.4 - Prob. 8PCh. 11.4 - Prob. 9PCh. 11.4 - Prob. 10PCh. 11.4 - Prob. 11PCh. 11.4 - Prob. 12PCh. 11 - Prob. 1CRPCh. 11 - Prob. 2CRPCh. 11 - Prob. 3CRPCh. 11 - Prob. 4CRPCh. 11 - Prob. 5CRPCh. 11 - Prob. 6CRPCh. 11 - Prob. 7CRPCh. 11 - Prob. 8CRPCh. 11 - Prob. 9CRPCh. 11 - Prob. 10CRPCh. 11 - Prob. 1CURPCh. 11 - Prob. 2CURPCh. 11 - Prob. 3CURPCh. 11 - Prob. 4CURPCh. 11 - Prob. 5CURPCh. 11 - Prob. 6CURPCh. 11 - Prob. 7CURP
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