p.39 # 50 the total health care expenditures E (in billions of dollars)in the u.

Question

p.39 # 50 the total health care expenditures E (in billions of dollars)in the u.s. from 1990 to 2001 are shown in the table. Year   :           19901991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Expnditures, E: 696   762  827   888   937   990 1039 1093 1150 1220 1310 1425 a. use a graphing utility to create a scatter plot for thesedata. Let t represent the year, with t=0 corresponding to 1990. Dothe data appear linear? b. use the regression feature of a graphing utility to find alinear model for predicting the total annual expenditures forhealth care in the U.S. c. USe your linear model from parb b. to predict the totalhealth care expenditures for 2002 and 2003. Do your predictionsseem reasonable? p.39 # 50 the total health care expenditures E (in billions of dollars)in the u.s. from 1990 to 2001 are shown in the table. Year   :           19901991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Expnditures, E: 696   762  827   888   937   990 1039 1093 1150 1220 1310 1425 a. use a graphing utility to create a scatter plot for thesedata. Let t represent the year, with t=0 corresponding to 1990. Dothe data appear linear? b. use the regression feature of a graphing utility to find alinear model for predicting the total annual expenditures forhealth care in the U.S. c. USe your linear model from parb b. to predict the totalhealth care expenditures for 2002 and 2003. Do your predictionsseem reasonable?

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