Q: Instead of Age, perhaps the Size of the vineyard (in
Instead of Age, perhaps the Size of the vineyard (in acres) is associated with the price of the wines. Look at the scatterplot: 1. Do you see any evidence of an association? 2. What concern do you hav...
See AnswerQ: The Sears Cup was established in 1993 to honor institutions that maintain
The Sears Cup was established in 1993 to honor institutions that maintain a broad-based athletic program, achieving success in many sports, both men and women. In the years following its Division III...
See AnswerQ: Find the predicted value of y, using each model for x
Find the predicted value of y, using each model for x=10. 1. y^=2+0.8 ln x 2. log y^=50.23x 3. 1y^=17.1 1.66x
See AnswerQ: Here is a histogram of the assets (in millions of dollars
Here is a histogram of the assets (in millions of dollars) of 79 companies chosen from the Forbes list of the nation top corporations: (Data in Companies) 1. What aspect of this distribution makes it...
See AnswerQ: Here are the average weights of the football team for the University
Here are the average weights of the football team for the University of Texas for various years in the 20th century. 1. Fit a straight line to the relationship of Weight by Year for Texas football pla...
See AnswerQ: The Minnesota Department of Transportation hoped that they could measure the weights
The Minnesota Department of Transportation hoped that they could measure the weights of big trucks without actually stopping the vehicles by using a newly developed weigh-in-motion scale. After instal...
See AnswerQ: How are a company profits related to its sales? Let examine
How are a company profits related to its sales? Let examine data from 71 large U.S. corporations. All amounts are in millions of dollars. 1. Histograms of Profits and Sales and histograms of the logar...
See AnswerQ: In January 2012, the New York Times published a story called
In January 2012, the New York Times published a story called Twin Births in the U.S., Like Never Before, in which they reported a 76 percent increase in the rate of twin births from 1980 to 2009. Here...
See AnswerQ: The Dow Jones stock index measures the performance of the stocks of
The Dow Jones stock index measures the performance of the stocks of America largest companies (finance.yahoo.com). A regression of the Dow prices on years 1972â€â&#...
See AnswerQ: Biologists studying the effects of acid rain on wildlife collected data from
Biologists studying the effects of acid rain on wildlife collected data from 163 streams in the Adirondack Mountains. They recorded the pH (acidity) of the water and the BCI, a measure of biological d...
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