IASSC ICBB Exam - Topic 4 Question 96 Discussion

Actual exam question for IASSC's ICBB exam

Question #: 96
Topic #: 4

A (n) ______________ is best used to compare a Machine 1 average quality characteristic to the same quality characteristic of Machine 2.

AF test

B1-Sample t-test

C2-Sample t-test

DANOVA test

Show Suggested Answer

Suggested Answer: C

by Nan at Nov 23, 2025, 08:43 AM

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Lashandra

4 months ago

C) F test is for variances, not means. Stick with B)!

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Deandrea

4 months ago

I like B) too! It's straightforward for comparing averages.

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Cathrine

4 months ago

I feel unsure about this. What about A) 1-Sample t-test?

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Lashonda

4 months ago

Agreed! B) makes sense for comparing Machine 1 and Machine 2.

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Shawna

4 months ago

I think it's B) 2-Sample t-test. It compares two groups.

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Cristy

4 months ago

Surprised no one mentioned the 1-Sample t-test!

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Lemuel

5 months ago

Really? I thought the F test was the way to go here.

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Roy

5 months ago

Nope, it's B for sure!

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Felice

5 months ago

I thought it was ANOVA since it deals with averages too.

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Emerson

6 months ago

Haha, the F test? What is this, high school physics? Nah, gotta be the 2-Sample t-test for this one.

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Claudio

6 months ago

The 1-Sample t-test? Really? That's for comparing a single sample to a known population mean. This is clearly a comparison between two machines. 2-Sample t-test all the way!

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Val

6 months ago

Hmm, I'm torn between the 2-Sample t-test and the ANOVA test. Both seem like they could work, but I'm leaning towards the 2-Sample t-test.

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Cherelle

6 months ago

I'm pretty sure the ANOVA test is the right choice. It's designed for comparing multiple groups, which is what we have here with the two machines.

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Theron

6 months ago

I keep mixing up the F test and the ANOVA test; I hope I don't confuse them in the exam!

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Xenia

6 months ago

I remember practicing a question like this, and I think the 1-Sample t-test is for comparing one group to a known value, not two machines.

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Erick

7 months ago

I'm pretty confident the 2-Sample t-test is the way to go. It's specifically designed for comparing the means of two different populations or samples.

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Kallie

7 months ago

A 1-Sample t-test wouldn't work here since we're comparing two different machines, not a single sample. I'll eliminate that option and focus on the 2-Sample t-test and ANOVA.

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Avery

7 months ago

The key is to determine if we're comparing the means of two samples or multiple samples. Since the question specifies two machines, I'm leaning towards the 2-Sample t-test.

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Aileen

7 months ago

The 2-Sample t-test is the way to go here. Comparing the quality characteristics of two machines is a classic use case.

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Brunilda

7 months ago

Definitely a 2-Sample t-test for comparing two machines.

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Genevive

7 months ago

I think it's a 2-Sample t-test since we're comparing two machines, but I'm not entirely sure.

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Xuan

8 months ago

No, A) is for one group only. B) is definitely the right choice.

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Ming

8 months ago

I feel like the ANOVA test could be relevant if we had more than two machines, but for just Machine 1 and Machine 2, it seems like the 2-Sample t-test fits best.

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