Discussion
| 1. | Number of customers who waited less than 15 minutes in line is 12 | The largest amount of time in minutes a customer waited in line is 19 | The least amount of time in minutes a customer waited in line is 10 |
| 2. | Number of customers waited less than 15 minutes in line is 12 | The largest amount of time in minutes a customer waited in line is 19 | The least amount of time in minutes a customer waited in line is 5 |
| 3. | Number of customers who waited less than 15 minutes in line is 15 | The largest amount of time in minutes a customer waited in line is 19 | The least amount of time in minutes a customer waited in line is 5 |
In how many of the above rows is the given information correctly tabulated?
Answer: A
The information is correct in only one row.
From the data, 3 + 2 + 1 + 4 + 2 = 12 customers waited less than 15 minutes (the 5, 6, 8, 10 and 13 minute values). The longest wait is 19 minutes and the shortest is 5 minutes. The counts add to 16, as the title says.
- Row 1 gives the least time as 10; it is 5. Wrong.
- Row 2: 12, 19 and 5. All correct.
- Row 3 gives 15 customers under 15 minutes, which counts the three customers who waited exactly 15; 'less than 15' excludes them. Wrong.
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