Using Manual Calculations to Find the Regression Equation Refer to the sample data given in Table…

Using Manual Calculations to Find the Regression Equation Refer to the sample data given in Table…

Using Manual Calculations to Find the Regression Equation Refer to the sample data given in Table 10-1 in the Chapter Problem. Use Formulas 10-3 and 10-4 to find the equation of the regression line in which the explanatory variable (or x variable) is the cost of a slice of pizza and the response variable (or y variable) is the corresponding cost of a subway fare.

Table 10-1 Cost of a Slice of Pizza, Subway Fare, and the CPI

Year

1960

1973

1986

1995

2002

2003

Cost of Pizza

0.15

0.35

1.00

1.25

1.75

2.00

Subway Fare

0.15

0.35

1.00

1.35

1.50

2.00

CPI

30.2

48.3

112.3

162.2

191.9

197.8

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