A diamond retailer is introducing a new stock taking system. Each diamond is assigned a character that represents the colour. The valid domain for the character ranges from D to Z. The colour is then graded using the following scale:

Which of the following test sets will provide the best equivalence partitioning coverage?
[K3] 2 credits
Suggested Answer: C
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29 comments · newest first
CA
Cammy
10 months ago
I'm not sure if D is the best choice, honestly.
CH
Charlie
11 months ago
Wait, why are we using letters instead of numbers?
LO
Loren
11 months ago
B seems too limited, not enough variety.
LE
Leah
11 months ago
I think option A covers more ground!
PA
Pauline
11 months ago
The valid range is D to Z, right?
MA
Mammie
12 months ago
I'm a bit confused about the grading scale. I hope I can remember how it applies to the characters when choosing the best set.
GA
Galen
12 months ago
I practiced a similar question, and I feel like the key is to include both extremes and some middle values. Maybe option B?
LE
Lennie
12 months ago
I think option A might be the best because it includes a wider range of letters, but I could be wrong.
JE
Jerry
1 year ago
I remember we discussed equivalence partitioning in class, but I'm not sure which set covers all the ranges effectively.
GE
German
1 year ago
I feel pretty good about this one. The key is identifying the valid partitions based on the grading scale, and option B looks like it covers those partitions effectively. I'll go with that as my final answer.
DE
Detra
1 year ago
This is a tricky one. I'm not sure if I fully understand the grading scale and how that impacts the valid partitions. I might need to do some more research on equivalence partitioning to feel confident in my answer.
AN
An
1 year ago
Okay, I think I've got this. The valid characters are D through Z, and the grading scale gives me the partitions I need to cover. I'll go with option B, as it seems to hit the key partitions.
CO
Cory
1 year ago
Hmm, I'm a bit confused by the color grading scale. Does that mean the valid characters are only those listed, or can they be any character from D to Z? I'll need to clarify that before I can determine the best test set.
SE
Serita
1 year ago
This looks like a straightforward equivalence partitioning question. I'll need to identify the valid partitions based on the given color grading scale and then select the test set that covers those partitions.
JU
Judy
1 year ago
Option B looks good to me. Efficient and straightforward. Though I have to admit, I'm a bit disappointed they didn't include a 'Bling' color grade. That would have been the ultimate diamond experience!
CH
Chi
1 year ago
Sometimes simplicity is key, option B covers the necessary colors.
AJ
Aja
1 year ago
I know what you mean, a 'Bling' color grade would have been a fun addition!
KA
Kathrine
1 year ago
I agree, option B seems like the most efficient choice.
JO
Josphine
1 year ago
I'm going with option B too. Gotta love those concise test sets that still hit the key partitions. Although, I do wonder if the diamond retailer has considered adding a 'Glitter' color grade. That would really spice things up!
DE
Detra
1 year ago
Hmm, I'm not sure. Option A seems to cover a wide range of the valid domain, but it's a bit overkill. Maybe option B is the most efficient solution.
FL
Floyd
1 year ago
I agree, option B is probably the best choice.
SA
Samira
1 year ago
Option B seems more focused and efficient.
SH
Shaquana
1 year ago
I think option A covers too many characters.
BR
Breana
1 year ago
But option A covers a wider range of characters, which could be more comprehensive.
FR
Fredric
1 year ago
I disagree, I believe option B provides better coverage with fewer characters.
CA
Carmela
1 year ago
Okay, this question is asking about the best equivalence partitioning coverage for the new diamond color grading system. I think option B covers the most important partition, the valid domain from D to Z.
TA
Tabetha
1 year ago
I think option A covers a wider range of characters, so it might provide better coverage.
EL
Elvis
1 year ago
I agree, option B covers the key characters from D to Z.
BR
Breana
1 year ago
I think the best test set for equivalence partitioning coverage is option A.