(a)

Consider the table showing the years and the prices as the U.S consumer price index of dollars from 1985 to 2005

Press stat to view the statistics calculation options.

Press stat to view the statistics calculation options.

First press and select the option by pressing 1 from the displayed menu.

Next, enter the each y value in L1 followed by pressing the enter key and enter the corresponding x value in L2 followed by pressing the enter key.

The output will be displayed as shown:

Press 2^nd graph to view the table