Math Ch. 12

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Literacy and Hunger
Country% Who Are Literate (x)% Who Are Undernourished   (y)
Cuba1002
Egypt714
Ethiopia3646
Grenada967
Italy982
Jamaica809
Jordan916
Pakistan5024
Russia993
Togo5324
Uganda6719


Problem #38
Use the data above to solve these exercises:

a.  Use technology to determine the correlation coefficient, rounded to two decimal places, between percentage of people in a country who are literate and the percentage who are undernourished.  
b.  Use technology to find the equation of the regression line for the percentage who are literate and the percentage who are undernourished.  Round "m" and "b" to two decimal places.
c.  Use technology to determine the percentage of people, to the nearest percent, can we anticipate are undernourished in a country where 60% of the people are literate?
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