Because of new, lower standards, experts in a study conducted in early 2000 projected a rise in the market for cholesterol-reducing drugs. The any market (in billions of dollars) for such drugs from 1999 through 2004 is given in the following table (
represents 1999):
Year, x199920002001200220032004Market, y10.2212.4114.8417.5720.0221.81?
Find an equation of the least-squares line for these data. Please round coefficients to the nearest hundredth if necessary. Estimate the market for cholesterol-reducing drugs in 2005, assuming the trend continued.
?
A. $24.52 billion
B. $28.15 billion
C. $27.89 billion
D. $26.32 billion
E. $20.11 billion
Answer: A
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, 
, 
, 
, . . .
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