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APICS CPIM-BSP Exam - Topic 2 Question 114 Discussion

A product has a forecast of 200 units a month. The actual demand for the past 6 months has been 195, 210, 205, 190, 220, and 225. Which of the following values reflects the mean absolute deviation for this data?
B) 12.5
A) 7.5
C) 45
D) 75

APICS CPIM-BSP Exam - Topic 2 Question 114 Discussion

Actual exam question for APICS's CPIM-BSP exam
Question #: 114
Topic #: 2
[All CPIM-BSP Questions]

A product has a forecast of 200 units a month. The actual demand for the past 6 months has been 195, 210, 205, 190, 220, and 225. Which of the following values reflects the mean absolute deviation for this data?

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Suggested Answer: B

by Thurman at Jul 12, 2025, 10:32 PM

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Vallie
7 months ago
Wait, how can it be 45? That seems way off.
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Zack
7 months ago
I think the MAD is around 12.5, seems right.
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Caitlin
7 months ago
Just did the math, and it looks like 7.5 is incorrect.
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Carey
7 months ago
Totally agree, 12.5 makes sense based on those numbers!
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Keva
7 months ago
The actual demands are pretty close to the forecast.
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Georgeanna
8 months ago
I vaguely recall that we need to subtract the forecast from each actual demand, then average those absolute values. I hope I can get the right answer!
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Karl
8 months ago
I feel like the actual demand numbers are pretty close to the forecast, so the MAD shouldn't be too high, but I can't remember the exact calculation steps.
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Misty
8 months ago
I think we did a similar question in practice where we had to find the average deviation from the forecast. I hope I can apply that here.
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Cristy
8 months ago
I remember we calculated mean absolute deviation in class, but I'm not sure if I got the formula right.
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Loren
9 months ago
Hmm, I'm not sure I'm following. Let me re-read the question and think this through step-by-step.
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Andra
9 months ago
No problem, I've got this. I'll just take the absolute value of the difference between each actual demand and the forecast, add them up, and divide by the number of data points.
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Glory
9 months ago
Wait, what's the mean absolute deviation again? I'm a little fuzzy on that concept.
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Halina
9 months ago
Okay, I think I can handle this. I just need to calculate the mean absolute deviation from the actual demand data and the forecast.
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Gladis
11 months ago
Haha, mean absolute deviation? More like mean absolute head-scratching! But seriously, gotta go with B) on this one. Anything higher and the warehouse is gonna need a bigger storage unit.
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India
11 months ago
This one's a tricky one, but I'm feeling confident with B) 12.5. Anything higher than that and the supply chain team is really dropping the ball, am I right?
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Jill
10 months ago
I think B) 12.5 is the correct answer.
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Kris
11 months ago
Ah, the good old mean absolute deviation. I bet it's gonna be a close one between B) and C). Gotta really crunch those numbers, you know?
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Alberto
10 months ago
I think the answer is B) 12.5
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Bulah
11 months ago
Wait, isn't the mean absolute deviation supposed to be the average of the absolute differences between the actual and forecast values? I'm going with B) 12.5.
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Daniela
9 months ago
Yes, the mean absolute deviation is calculated by finding the average of the absolute differences. B) 12.5 is the most accurate option.
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Ozell
10 months ago
I agree, B) 12.5 makes sense for the mean absolute deviation in this case.
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Sheron
10 months ago
I think you're right, the mean absolute deviation is the average of the absolute differences. B) 12.5 seems like the correct choice.
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Apolonia
12 months ago
I calculated it and I also got A) 7.5 as the mean absolute deviation
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Ronald
12 months ago
I'm not sure, but I think it might be B) 12.5
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Andra
12 months ago
I agree with Viva, the mean absolute deviation seems to be around 7.5
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Viva
12 months ago
I think the answer is A) 7.5
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Dean
12 months ago
Hmm, let's see... I think the mean absolute deviation is 12.5. The numbers are all pretty close to the forecast, so it can't be too high.
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Noe
11 months ago
A: So, we both think the mean absolute deviation is 12.5 then.
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Celia
12 months ago
B: Yeah, I agree. It can't be too high with those values.
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Eladia
12 months ago
A: I think it's 12.5 too. The numbers are all pretty close to the forecast.
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