Please assist and answer questions: g, h, I, j, k, l Thank you.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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Please assist and answer questions: g, h, I, j, k, l
Thank you.
Transcribed Image Text:Mike Jimenez is president of the teachers' union for Preston School District. In preparing for upcoming negotiations, he would like to
investigate 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 rating of teaching effectiveness given by the principal, and whether the teacher has a master's degree (O = No, 1
= Yes). A random sample of 20 teachers resulted in the following data.
Years of
Experience
Principal's
Rating
96
52
75
80
62
Salary ($
Thousands)
Master's
Degree
51.1
8
43.6
39.3
53
48.6
55
52
46.8
58.6
41.7
35.7
40.6
61.8
46.7
2
15
1
11
14
68
1
94
64
54
57
66
63
92
64
88
7
1
22
1
1
1
23
17
12
48.4
43.6
51.8
40.7
14
57
63
1
74
78
70
42.8
42.9
Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file to
your computer and be able to use it in Excel.
a. What is the question being asked?
b. Label your dependent variable: y =
Transcribed Image Text:g. What does the value of the Coefficient of Determination tell you about the data?
h. Run a diagnosis to deterime if the model is significant at a = 0.05. (Round test statistic to 2 declmal places and p-value to 4
declmal places)
h1. Select the correct hypothesis statements.
Ho: (Click to select)
H1: (Click to select)
h2. Test Statistic:
Һз: р-value:
h4: What is your decision regarding the null hypothesis?
(Click to select)
h5: What does this mean?
1. Run a diagnosis to determine if the slope of the Individual varlables are significant at a = 0.05.
decimal places)
(Round p-values to 4
Variable
Significant (Yes, No)
|(Click to select) v
(Click to select) ♥
p-value
X1
X2
X3
(Click to select) v
J. Looking at the standared error of the regression model, what is the prediction range for salary (in $ thousands)?
decimal places) +/-
(Round to 2
k. Is Multicollinearity a problem? Compute the VIF for each independent variable.
(Round VIF to 3 decimal places)
Variable
VIF
Problem (Yes, No)
X1
(Click to select) v
X2
(Click to select) v
X3
(Click to select) v
I. What conclusions can vou draw? Are there any variables you would take out to make it better? Are there any variables you think you
might want to Include?
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