Assume that your cousin holds just one stock, Eastman Chemical Bonding (ECB), which he thinks has very little risk. You agree that the stock is relatively safe, but you want to demonstrate that his risk would be even lower if he were more diversified. You obtain the following returns data for Wilder's Creations and Buildings (WCB). Both companies have had less variability than most other stocks over the past 5 years. Measured by the standard deviation of returns, by how much would your cousin's risk have been reduced if he had held a portfolio consisting of 40% in ECB and the remainder in WCB? (Hint: Use the sample standard deviation formula.) Average return= Standard deviation = Select the correct answer. a. 3.68% b. 3.72% c. 3.76% d. 3.84% e. 3.80% Year ECB WCB 2011 40.00% 40.00% 2012 -10.00% 15.00% 2013 35.00% -5.00% 2014 -5.00% -10.00% 2015 15.00% 35.00% 15.00% 15.00% 22.64% 22.64%

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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Assume that your cousin holds just one stock, Eastman Chemical Bonding (ECB), which he thinks has very little risk. You agree that the stock is relatively safe,
but you want to demonstrate that his risk would be even lower if he were more diversified. You obtain the following returns data for Wilder's Creations and
Buildings (WCB). Both companies have had less variability than most other stocks over the past 5 years. Measured by the standard deviation of returns, by how
much would your cousin's risk have been reduced if he had held a portfolio consisting of 40% in ECB and the remainder in WCB? (Hint: Use the sample
standard deviation formula.)
Average return=
Standard deviation =
Select the correct answer.
a. 3.68%
b. 3.72%
c. 3.76%
d. 3.84%
e. 3.80%
Year
ECB
WCB
2011
40.00%
40.00%
2012
-10.00%
15.00%
2013
35.00%
-5.00%
2014
-5.00%
-10.00%
2015
15.00%
35.00%
15.00%
15.00%
22.64%
22.64%
Transcribed Image Text:Assume that your cousin holds just one stock, Eastman Chemical Bonding (ECB), which he thinks has very little risk. You agree that the stock is relatively safe, but you want to demonstrate that his risk would be even lower if he were more diversified. You obtain the following returns data for Wilder's Creations and Buildings (WCB). Both companies have had less variability than most other stocks over the past 5 years. Measured by the standard deviation of returns, by how much would your cousin's risk have been reduced if he had held a portfolio consisting of 40% in ECB and the remainder in WCB? (Hint: Use the sample standard deviation formula.) Average return= Standard deviation = Select the correct answer. a. 3.68% b. 3.72% c. 3.76% d. 3.84% e. 3.80% Year ECB WCB 2011 40.00% 40.00% 2012 -10.00% 15.00% 2013 35.00% -5.00% 2014 -5.00% -10.00% 2015 15.00% 35.00% 15.00% 15.00% 22.64% 22.64%
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