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Subject:
Regression problem - can this question be answered using the Regression output?
Category: Science > Math Asked by: curiousmaz-ga List Price: $2.00 |
Posted:
30 Oct 2005 20:31 PST
Expires: 31 Oct 2005 22:22 PST Question ID: 586900 |
With the given regression outputs for salaries versus employee absences: Summary measures Multiple R 0.6147 R-Square 0.3778 StErr of Est 0.8812 ANOVA table Source df SS MS F p-value Explained 1 6.1300 6.1300 7.8937 0.0148 Unexplained 13 10.0954 0.7766 Regression coefficients Coefficient Std Err t-value p-value Lower limit Upper limit Constant 11.4621 3.3513 3.4201 0.0046 4.2219 18.7022 Log(Annual_Salary)-2.3725 0.8444 -2.8096 0.0148 -4.1968 -0.5482 Estimated number of one-day absences a person on $110,000 p.a is likely to take? |
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There is no answer at this time. |
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Subject:
Re: Regression problem - can this question be answered using the Regression output?
From: statsprof-ga on 31 Oct 2005 15:09 PST |
Yes, you have all the info you need. Hint: first you have to find a regression equation, and all the info to do that is on your output. |
Subject:
Re: Regression problem - can this question be answered using the Regression output?
From: curiousmaz-ga on 31 Oct 2005 17:06 PST |
Oh yeah - forgot that - here it is: Y = ?0 + ?1x +e But, I'm not sure I'm reading the table right. Is it: 110,000 = 11.4621 + -2.3725 + 3.3513 (am I suppose to use the Constant STd Error figure?) or have I messed that up completely? |
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