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58

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Introductory Statistics
Found in: Page 720
Introductory Statistics

Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

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Short Answer

58. Piece-rate systems are widely debated incentive payment plans. In a recent study of loan officer effectiveness, the following piece-rate system was examined:

%of goal reached< 8080100120
Incentiven/a$4,000 with an additional $125added per percentage point from 81-99%$6,500with an additional $125 added per percentage point from 101-119%$9,500 with an additional $125 added per percentage point from 121%

If a loan officer makes 95%of his or her goal, write the linear function that applies based on the incentive plan table. In context, explain the

y-intercept and slope.

The acquired linear equation is y=4000+125×x and when replace x with 95%, received the desired accumulated sum for the loan officer, which assembles95%.

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Step by Step Solution

Step 1: Given information

Piece-rate systems are widely debated incentive payment plans. A loan officer makes 95% of his or her goal, with the linear function that applies based on the incentive plan table.

Step 2: Explanation

Linear regression is a linear equation of two variables from which one is liberated, and another is dependent on the other. Let X is independent variable and Y is dependent. Hence, linear equation is,
Y=a+bX,where a and b are coefficients, a is intercept and b is a slope.To complete the linear equation of loan officer point, which creates
95% of his or her goals. From the previous table,4types of goal reached: less than 80,81-99%,100-119% and larger than 121%. Since, to complete the linear equation for effectiveness 95% of goals then use information in table under 80 .

Step 3: Explanation

The loan officer will get4000 dollars and 125 dollars per percentage point. Now the equation of all acquired sum is provided by:y=a+b×x

=4000+125×x

where intercept a=4000 is the spot sum which he receives for his job, and the slope is a value that represents the rate of change betweeny and x and in this case this is 125 dollars per percentage point. Variable X represents the percentage point which he/she makes.
To get the accumulated sum for the loan officer, which causes
95% of his or her goals, require to substitute X with 95% in the earlier equation.

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