Question

The U.S. Census Bureau compiles census data on educational attainment of Americans. From the document Current Population Reports, we obtained the 2000 distribution of educational attainment for U.S. adults 25 years old and older. Here is that distribution.
Highest level Percentage
Not HS graduate ......... 15.8
HS graduate ........... 33.2
Some college .......... 17.6
Associate’s degree ........ 7.8
Bachelor’s degree ......... 17.0
Advanced degree ......... 8.6
A random sample of 500 U.S. adults (25 years old and older) taken this year gave the following frequency distribution.
Highest level Frequency
Not HS graduate .......... 84
HS graduate ............ 160
Some college ............ 88
Associate’s degree .......... 32
Bachelor’s degree ........... 87
Advanced degree ........... 49
Decide, at the 5% significance level, whether this year's distribution of educational attainment differs from the 2000 distribution.


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  • CreatedAugust 13, 2015
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