CIMA Exam CIMAPRA17-BA1-1 Topic 1 Question 69 Discussion

Actual exam question for CIMA's CIMAPRA17-BA1-1 exam

Question #: 69
Topic #: 1

rson's correlation coefficient between the number of shirts sold per day (x) and the number of jackets sold per day (y), across its eight stores (n=8).

What is the Pearson's correlation coefficient? Give your answer to two decimal places.

A0.83

B0.84

C0.85

D0.86

Show Suggested Answer

Suggested Answer: C

by Hubert at Apr 19, 2023, 03:09 PM

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Rosina

10 days ago

Maybe they should start selling shirts and jackets as a package deal. That would really boost the correlation!

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Val

13 days ago

I bet the store manager is regretting not selling socks too. Then we'd have a triple correlation!

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Howard

16 days ago

Easy peasy, the answer is D) 0.86. Just look at that graph - the points are practically lined up! I could calculate this in my head.

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Candra

23 days ago

I'm torn between C) 0.85 and D) 0.86. The data seems to have a strong positive correlation, but I'll go with the lower value just to be safe.

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Santos

10 days ago

I think C) 0.85 is a safe choice. It's better to go with the lower value.

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2 months ago

I think the answer is B) 0.84. The scatterplot shows a positive linear relationship between the number of shirts and jackets sold, and the data points seem to cluster around a straight line.

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Lawana

12 days ago

I think the correlation coefficient is 0.84, which matches option B.

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Claribel

1 months ago

I agree, the scatterplot does show a positive linear relationship between shirts and jackets sold.

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