Mike Wilde is president of the teachers’ union for Otsego School District. In preparing for upcoming negotiations, he is investigating the salary structure of classroom teachers in the district. He believes there are three factors that affect a teacher’s salary: years of experience, a teaching effectiveness rating given by the principal, and whether the teacher has a master’s degree. A random sample of 20 teachers resulted in the following data.SalaryYearsRatingMasters31.1835033.6543029.32511431560138.611730451480142976036.8754148.62255131.7390125.7130030.6544051.82384146.71776038.41268133.61425041.8890130.7462032.8280142.88720GIVEN: SubscriptionsWeb Page HitsAdvPrice Subscriptions1 Web Page Hits0.6429791 Adv0.7092280.3571791 Price0.7100190.2539570.4411231 ŷ =19.915+0.899x1 +0.154x2 +(0.667)x3ŷ =33.647or$33,647 FIND: the images below d. Conduct a test of hypothesis for the individual regression coefficients. Would you consider deleting any of the independentvariables? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3decimal places.)A regression coefficient is dropped if computed t is to the left ofor right ofKeep "years" and " rating"; dropmaster's e. If your conclusion in part (d) was to delete one or more independent variables, run the analysis again without those variables.(Round your answers to 4 decimal places.)Dropping "master'swe have: Salary =20.1157 +0.8927 (years) +0.1464 ( rating).%3D

Name: Mike Wilde is president of the teachers’ union for Otsego School Distr
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Description: Mike Wilde is president of the teachers’ union for Otsego School District. In preparing for upcoming negotiations, he is investigating the salary structure of classroom teachers in the district. He believes there are three factors that affect a teach

Given data is: Salary Years Rating Masters 31.1 8 35 0 33.6 5 43 0 29.3 2 51 1 43 15 60…

Answered: Mike Wilde is president of the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Mike Wilde is president of the teachers’ union for Otsego School District. In preparing for upcoming negotiations, he is investigating the salary structure of classroom teachers in the district. He believes there are three factors that affect a teacher’s salary: years of experience, a teaching effectiveness rating given by the principal, and whether the teacher has a master’s degree. A random sample of 20 teachers resulted in the following data.

Salary	Years	Rating	Masters
31.1	8	35	0
33.6	5	43	0
29.3	2	51	1
43	15	60	1
38.6	11	73	0
45	14	80	1
42	9	76	0
36.8	7	54	1
48.6	22	55	1
31.7	3	90	1
25.7	1	30	0
30.6	5	44	0
51.8	23	84	1
46.7	17	76	0
38.4	12	68	1
33.6	14	25	0
41.8	8	90	1
30.7	4	62	0
32.8	2	80	1
42.8	8	72	0

GIVEN:

	Subscriptions	Web Page Hits	Adv	Price
Subscriptions	1
Web Page Hits	0.642979	1
Adv	0.709228	0.357179	1
Price	0.710019	0.253957	0.441123	1

ŷ =	19.915	+	0.899	x₁ +	0.154	x₂ +	(0.667)	x₃
ŷ =	33.647	or	$33,647

FIND: the images below

d. Conduct a test of hypothesis for the individual regression coefficients. Would you consider deleting any of the independent
variables? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3
decimal places.)
A regression coefficient is dropped if computed t is to the left of
or right of
Keep "
years
" and " rating
"; drop
master's

e. If your conclusion in part (d) was to delete one or more independent variables, run the analysis again without those variables.
(Round your answers to 4 decimal places.)
Dropping "
master's
we have: Salary =
20.1157 +
0.8927 (years
) +
0.1464 ( rating
).
%3D

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