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27 Nov 2025, 22:27
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Among the diamond varieties presented in the table, the Green Diamonds were the only variety to experience positive average annual percentage change in every category of productivity and profitability.: Yes
The 4 varieties of diamonds that experienced the greatest average annual percent increase in the number of units produced per day were all polished partially-manually.: No
For diamonds of each variety that were polished by the completely-automated method, the average annual percentage increases in fixed material costs were greater than those for diamonds of any variety that were polished by the partially-manual method.: Yes
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Difficulty:
35%
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71% (02:45) correct
29%
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based on 691
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The table shows the average annual percentage changes in productivity and profitability of a diamond polishing firm for partially-manual and completely-automated methods of polishing across 8 varieties of diamonds, from the year 2003 to the year 2009.
For each of the following statements, select Yes if the statement is accurate based on the information provided; otherwise, select No.
| Diamond variety | Method of polishing | Number of units produced per day | Total number of units produced | Number of days of production | Fixed material cost | Profit margin |
|---|---|---|---|---|---|---|
| Blue Diamonds | Completely-automated | -0.7 | 1.8 | -1.4 | 2.5 | 2.9 |
| Champagne Diamonds | Completely-automated | 4.3 | -0.6 | 1.5 | 2.1 | 0.6 |
| Green Diamonds - Large | Partially-manual | 1.5 | 2.7 | 0.6 | 0.6 | 2.1 |
| Green Diamonds - Small | Partially-manual | 3.9 | 0.2 | 4.9 | 1.5 | 2.8 |
| Purple Diamonds | Partially-manual | 3.1 | 2.4 | 3.3 | 1.4 | -4.4 |
| Synthetic Diamonds | Completely-automated | -4.4 | 2.2 | 3.1 | 2.8 | -3.0 |
| White Diamonds | Partially-manual | 3.4 | 2.4 | -4.8 | 0.2 | 3.2 |
| Yellow Diamonds | Partially-manual | 1.5 | -1.9 | -1.7 | 1.9 | -3.7 |
For each of the following statements, select Yes if the statement is accurate based on the information provided; otherwise, select No.
| Yes | No | |
| Among the diamond varieties presented in the table, the Green Diamonds were the only variety to experience positive average annual percentage change in every category of productivity and profitability. | ||
| The 4 varieties of diamonds that experienced the greatest average annual percent increase in the number of units produced per day were all polished partially-manually. | ||
| For diamonds of each variety that were polished by the completely-automated method, the average annual percentage increases in fixed material costs were greater than those for diamonds of any variety that were polished by the partially-manual method. |
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Official Answer
Among the diamond varieties presented in the table, the Green Diamonds were the only variety to experience positive average annual percentage change in every category of productivity and profitability.: Yes
The 4 varieties of diamonds that experienced the greatest average annual percent increase in the number of units produced per day were all polished partially-manually.: No
For diamonds of each variety that were polished by the completely-automated method, the average annual percentage increases in fixed material costs were greater than those for diamonds of any variety that were polished by the partially-manual method.: Yes
28 Nov 2025, 13:30
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rmk69
The OA will be automatically revealed on Saturday 29th of November 2025 09:27:33 PM Pacific Time Zone
Meanwhile, you are welcome to post your solution and then compare it with the official answer.
