MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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5.

Listed below are amounts of court income and salaries paid to the town justices for a certain town. All amounts are
in thousands of dollars. Find the (a) explained variation, (b) unexplained variation, and (c) indicated prediction
interval. There is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the
regression equation when making predictions. For the prediction interval, use a 99% confidence level with a court
income of $800,000.
$68
$27
$403
$49
$1592 $1120 $288
$58
$252
$61
$120
$28
$154
$23
$35
$22
Court Income
Justice Salary
$92
$40
a. Find the explained variation.
(Round to three decimal places as needed.)
b. Find the unexplained variation.
(Round to three decimal places as needed.)
c. Find the indicated prediction interval.
]]
$
<y< $
(Round to four decimal places as needed.)
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Transcribed Image Text:Listed below are amounts of court income and salaries paid to the town justices for a certain town. All amounts are in thousands of dollars. Find the (a) explained variation, (b) unexplained variation, and (c) indicated prediction interval. There is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when making predictions. For the prediction interval, use a 99% confidence level with a court income of $800,000. $68 $27 $403 $49 $1592 $1120 $288 $58 $252 $61 $120 $28 $154 $23 $35 $22 Court Income Justice Salary $92 $40 a. Find the explained variation. (Round to three decimal places as needed.) b. Find the unexplained variation. (Round to three decimal places as needed.) c. Find the indicated prediction interval. ]] $ <y< $ (Round to four decimal places as needed.)
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