Test whether the distribution of millionaires in 2011 is


In 2003 The World Wealth Report first started publishing market shares of global millionaires (The Wall Street Journal, June 25,2008). At this time, the distribution of the world's people worth $1 million or more was:

1296_publishing market shares of global millionaires.png

A recent sample of 500 global millionaires produces the following results:

1991_global millionaires.png

a. Test whether the distribution of millionaires in 2011 is different from the distribution in 2003 at α = 0.05.

b. Would the conclusion change if we tested it at α = 0.10?

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Basic Statistics: Test whether the distribution of millionaires in 2011 is
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