Chapter 14, Problem 10T

(a)

To determine

To calculate: The linear regression line for the data given in the table.

Year	Percent
$1980$	$5.7$
$1990$	$8.4$
$2000$	$10.7$
$2010$	$13.0$
$2015$	$14.1$
$2020$	$15.3$
$2030$	$17.8$
$2040$	$20.3$
$2050$	$22.8$

(b)

To determine

The explanation how the regression line fits the data in the table that gives the percent of the U.S. civilian non-institutional population of the Hispanic origin for selected years from 1980 and projected to 2050.

Year	Percent
$1980$	$5.7$
$1990$	$8.4$
$2000$	$10.7$
$2010$	$13.0$
$2015$	$14.1$
$2020$	$15.3$
$2030$	$17.8$
$2040$	$20.3$
$2050$	$22.8$

(c)

To determine

To calculate: The percent of the U.S. civilian non institutional population of Hispanic origin in 2025 using the reported linear regression equation for the table that gives the percent of the U.S. civilian non-institutional population of the Hispanic origin for selected years from 1980 and projected to 2050.

Year	Percent
$1980$	$5.7$
$1990$	$8.4$
$2000$	$10.7$
$2010$	$13.0$
$2015$	$14.1$
$2020$	$15.3$
$2030$	$17.8$
$2040$	$20.3$
$2050$	$22.8$