What is the predicted starting salary for a student with a GPA of 6.8 (to the nearest dollar)? What is the appropriate value for alpha when creating a 95% Prediction Interval? What value should be used for t in the formula to compute a 95% Prediction Interval (3 decimals

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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What is the predicted starting salary for a student with a GPA of 6.8 (to the nearest dollar)?

What is the appropriate value for alpha when creating a 95% Prediction Interval?

What value should be used for t in the formula to compute a 95% Prediction Interval (3 decimals)?

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.905331
R Square
0.819625
Adjusted R 0.812109
Standard Ei 6248.109
Observatio
26
ANOVA
df
MS
ignificance F
Regression
1 4.26E+09 4.26E+09 109.0559
2.09E-10
Residual
24 9.37E+08 39038865
Total
25 5.19E+09
Coefficientsandard Erre
t Stat
P-value Lower 95% Upper 95% ower 95.09/pper 95.0%
Intercept
10598.58 4111.368 2.577871 0.016509
2113.13 19084.02
2113.13 19084.02
Student GP 6971.384 667.5663 10.44298
2.09E-10 5593.595 8349.173 5593.595 8349.173
Transcribed Image Text:SUMMARY OUTPUT Regression Statistics Multiple R 0.905331 R Square 0.819625 Adjusted R 0.812109 Standard Ei 6248.109 Observatio 26 ANOVA df MS ignificance F Regression 1 4.26E+09 4.26E+09 109.0559 2.09E-10 Residual 24 9.37E+08 39038865 Total 25 5.19E+09 Coefficientsandard Erre t Stat P-value Lower 95% Upper 95% ower 95.09/pper 95.0% Intercept 10598.58 4111.368 2.577871 0.016509 2113.13 19084.02 2113.13 19084.02 Student GP 6971.384 667.5663 10.44298 2.09E-10 5593.595 8349.173 5593.595 8349.173
Student GPA
starting salaries
4.5
48094
5.8
42400
6.1
50987
5.5
40598
4.7
53500
4.1
36184
3.9
32115
6.5
51250
5.6
45155
4.8
37108
3.5
34540
4.05
39250
starting salaries
4.5
41500
7.5
60230
90000
7.4
58750
80000
6.2
52900
70000
y = 6971.4x + 10599
R = 0.8196
7.8
58700
60000
4.5
40135
50000
8.8
70214
starting salaries
40000
8.5
73065
-Linear (starting salaries )
8.7
68952
30000
3.5
38786
20000
2.5
39102
10000
7.5
71020
8.1
75401
2.
6.
10
8.3
81203
เก่ เก่
-00 00 oc
Transcribed Image Text:Student GPA starting salaries 4.5 48094 5.8 42400 6.1 50987 5.5 40598 4.7 53500 4.1 36184 3.9 32115 6.5 51250 5.6 45155 4.8 37108 3.5 34540 4.05 39250 starting salaries 4.5 41500 7.5 60230 90000 7.4 58750 80000 6.2 52900 70000 y = 6971.4x + 10599 R = 0.8196 7.8 58700 60000 4.5 40135 50000 8.8 70214 starting salaries 40000 8.5 73065 -Linear (starting salaries ) 8.7 68952 30000 3.5 38786 20000 2.5 39102 10000 7.5 71020 8.1 75401 2. 6. 10 8.3 81203 เก่ เก่ -00 00 oc
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