In the daily shift calculation, the difference between today's count and the previous average is divided by the average and multiplied by which value?

Prepare for the FDOT Earthwork Level 1 Test. Study with multiple choice questions and explanations, each designed to enhance retention. Ensure you're ready for the exam!

Multiple Choice

In the daily shift calculation, the difference between today's count and the previous average is divided by the average and multiplied by which value?

Explanation:
The essential idea is converting the relative change into a percentage. You first compute the change relative to the average by dividing the difference by the average. To express that change as a percent, you multiply by 100. So with today's count, the formula becomes: (today - average) / average × 100, giving the percentage change. For example, if today is 110 and the average is 100, you get (110−100)/100 = 0.10, and multiplying by 100 yields 10%, which is the percent change. Multiplying by 10, 1, or 1000 would give values that are not the percentage change.

The essential idea is converting the relative change into a percentage. You first compute the change relative to the average by dividing the difference by the average. To express that change as a percent, you multiply by 100. So with today's count, the formula becomes: (today - average) / average × 100, giving the percentage change. For example, if today is 110 and the average is 100, you get (110−100)/100 = 0.10, and multiplying by 100 yields 10%, which is the percent change. Multiplying by 10, 1, or 1000 would give values that are not the percentage change.

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