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SAS A00-240 Exam - Topic 3 Question 33 Discussion

A linear model has the following characteristics:* A dependent variable (y)* One continuous variable (x1)* One categorical (1 with 3 levels) predictor variable and an interaction term (1 by x1)How many parameters, including the intercept, will be estimated for this model?Enter your numeric answer in the space below.
A) 7

SAS A00-240 Exam - Topic 3 Question 33 Discussion

Actual exam question for SAS's A00-240 exam
Question #: 33
Topic #: 3
[All A00-240 Questions]

A linear model has the following characteristics:

* A dependent variable (y)

* One continuous variable (x1)

* One categorical (1 with 3 levels) predictor variable and an interaction term (1 by x1)

How many parameters, including the intercept, will be estimated for this model?

Enter your numeric answer in the space below.

Show Suggested Answer Hide Answer
Suggested Answer: A

by Cassi at May 05, 2022, 02:20 PM

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Cory
7 months ago
Yep, 7 makes sense with the intercept included.
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Ethan
7 months ago
I thought it would be more than 7, interesting!
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Edna
8 months ago
Wait, are we counting the interaction term correctly?
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Raymon
8 months ago
Totally agree, it's 7!
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Gerald
8 months ago
There are 7 parameters in total.
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Chauncey
8 months ago
I practiced a similar question, and I think the total should be 6 parameters, but I might be missing something with the interaction term.
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Albert
8 months ago
If there are 3 levels for the categorical variable, that means we have 2 dummy variables, right? So that would be 2 plus the continuous variable and the interaction term.
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Boris
8 months ago
I'm not entirely sure, but I remember something about adding one parameter for each level of the categorical variable minus one.
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Tamekia
8 months ago
I think we need to count the intercept, the continuous variable, the levels of the categorical variable, and the interaction term.
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Salena
8 months ago
I feel confident about this one. The key is that the hospital needs to have no knowledge of a way to re-identify individuals based on the remaining data, not just that they've removed direct identifiers. I'll select the answer that reflects that requirement.
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Louvenia
8 months ago
Hmm, I'm a bit unsure about this one. The options seem to cover a range of ethical principles, not just nonmaleficence. I'll need to carefully consider each one to determine which best aligns with that specific principle.
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Tonja
9 months ago
Wait, what was the worksheet name again? I better double-check that before I proceed.
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Argelia
9 months ago
Hmm, I'm not too sure about this one. The PCAP file doesn't seem to have any obvious clues about the application protocol. I'll have to think this through carefully and try to eliminate the wrong answers.
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