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Author Question: Consider the following regression summary:The regression equation isY3 = 104 + 0.204 X3 + 0.0754 ... (Read 76 times)

Mscarter

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on: Feb 26, 2023
Consider the following regression summary:

​

The regression equation is

Y3 = 104 + 0.204 X3 + 0.0754 X4

​

Predictor     Coef SE      Coef       T       P

Constant      103.968     5.049   20.59   0.000

X3            0.20415   0.08503    2.40   0.018

X4            0.07542   0.05760    1.31   0.193

​

S = 6.38219 R-Sq = 8.1% R-Sq(adj) = 6.2%

​

Analysis of Variance

​

Source           DF        SS       MS      F       P

Regression        2    360.63   180.31   4.43   0.014

Residual Error  101   4113.97    40.73

Total           103   4474.59

​

Perform a global utility test for the model. State the correct decision and reasoning. (Useα= 0.01.)


◦

The model appears to be useful becausep-value = 0.000 < 0.01.


◦

The model does not appear to be useful becausep-value = 0.014 > 0.01.


◦

The model appears to be useful becauseR-Sq (adj) is more than 0.01 less than R-Sq.


◦

The model does not appear to be useful because thep-value = 0.018 > 0.01.

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Marked as best answer by Mscarter on Feb 26, 2023

GoldenBrown

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Mscarter

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

softEldritch

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Reply 3 on: Yesterday
:D TYSM

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