Need help on (B) & (D) (b) Find the equation of the regression line. (Round regression lineparameters to two decimal places.)P(S) =(c) Add the plot of the regression line to the data from part (a).P7070606050504040303020201010S8020406080204060P707060605050404030302020101020406080S80204060(d) What cost does the regression line give for replacement of an employeewho makes an annual salary of $50,000? (Round your answer to thenearest dollar.) The table shows the percentage P of an employee's annual salary S, inthousands of dollars, spent on the process of recruiting and training areplacement.S = annual salary(thousands of dollars)P = percentage ofsalary for recruiting20163015402060467049(a) Plot the data points.PP7070606050504040303020201010S2040608020406080PP70706060505040403030202010102040608020406080(b) Find the equation of the regression line. (Round regression lineparameters to two decimal places.)P(S) =::

Answered: Need help on (B) & (D)

Math

Statistics

Need help on (B) & (D)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 10PPS

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Euclidean Geometry

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In a two-dimensional plane, a line is simply a figure that joins two points. Usually, lines are used for presenting objects that are straight in shape and have minimal depth or width.

Question

Need help on (B) & (D)

(b) Find the equation of the regression line. (Round regression line
parameters to two decimal places.)
P(S) =
(c) Add the plot of the regression line to the data from part (a).
P
70
70
60
60
50
50
40
40
30
30
20
20
10
10
S
80
20
40
60
80
20
40
60
P
70
70
60
60
50
50
40
40
30
30
20
20
10
10
20
40
60
80
S
80
20
40
60
(d) What cost does the regression line give for replacement of an employee
who makes an annual salary of $50,000? (Round your answer to the
nearest dollar.)

The table shows the percentage P of an employee's annual salary S, in
thousands of dollars, spent on the process of recruiting and training a
replacement.
S = annual salary
(thousands of dollars)
P = percentage of
salary for recruiting
20
16
30
15
40
20
60
46
70
49
(a) Plot the data points.
P
P
70
70
60
60
50
50
40
40
30
30
20
20
10
10
S
20
40
60
80
20
40
60
80
P
P
70
70
60
60
50
50
40
40
30
30
20
20
10
10
20
40
60
80
20
40
60
80
(b) Find the equation of the regression line. (Round regression line
parameters to two decimal places.)
P(S) =
:
:

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