Bridge Commodity Research Bureau

3.83 Xr03-83 An economist wanted to determine
whether a relationship existed between interest
rates and currencies (measured in U.S. dollars). He
recorded the monthly interest rate and the currency
indexes for the years 1982 to 2008. Graph the data
and describe the results.
Source: Bridge Commodity Research Bureau.
3.84 Xr03-84 One hundred students who had reported
that they use their computers for at least 20 hours
per week were asked to keep track of the number of
crashes their computers incurred during a 12-week
period. Using an appropriate statistical method,
summarize the data. Describe your findings.

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