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SAS A00-240 Exam - Topic 5 Question 35 Discussion

The standard form of a linear regression model is:Which statement best summarizes the assumptions placed on the errors?
D) The errors are independent, normally distributed with zero mean and constant variance.
A) The errors are correlated, normally distributed with constant mean and zero variance.
B) The errors are correlated, normally distributed with zero mean and constant variance.
C) The errors are independent, normally distributed with constant mean and zero variance.

SAS A00-240 Exam - Topic 5 Question 35 Discussion

Actual exam question for SAS's A00-240 exam
Question #: 35
Topic #: 5
[All A00-240 Questions]

The standard form of a linear regression model is:

Which statement best summarizes the assumptions placed on the errors?

Show Suggested Answer Hide Answer
Suggested Answer: D

by Jeanice at May 05, 2022, 09:13 PM

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Annice
10 months ago
Constant variance is key for linear regression assumptions!
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Lemuel
10 months ago
B is wrong, they need to be independent, not correlated.
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Sabina
11 months ago
Wait, zero mean? Isn’t that a bit odd?
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Quinn
11 months ago
Definitely going with D, that’s the standard assumption!
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Renato
11 months ago
The errors should be independent and normally distributed.
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Leonida
11 months ago
I feel like I mixed up the assumptions last time. I know they need to be normally distributed, but I'm uncertain about the correlation aspect.
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Margurite
11 months ago
I remember something about errors having zero mean and constant variance, but I can't recall if they should be correlated or independent.
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Janna
11 months ago
I think the errors should be independent and normally distributed, but I'm not sure about the mean and variance part.
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Carol
11 months ago
I practiced a similar question, and I think the correct answer is about the errors being independent and normally distributed with zero mean.
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Freeman
11 months ago
This seems like a straightforward question about the security features of HTTPS. I'll focus on understanding how the encryption and tunneling work to make the traffic difficult to screen.
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Maryrose
11 months ago
Hmm, this seems straightforward enough. I just need to retrieve the data, assess the changes, and then apply them. I'm feeling good about this one.
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Thaddeus
12 months ago
Okay, I've got a plan. I'll definitely need to set up the Locations for the two warehouses. Then I can use Stockkeeping units to handle the pricing and vendor differences per location. The Inventory setup and Item card will likely come into play as well to tie everything together.
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