Question

Several students measured a 25-mm-long nail and wrote the measurements shown in the table below. Whose measurement had the greatest percent error? Round to the nearest percent.

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Answer 1

The student whose measurement had the greatest percent error was student 5. Their measurement was 27 mm, and the actual length of the nail was 25 mm. To find the percent error, we use the formula:

percent error = |(measured value - actual value) / actual value| x 100%

Plugging in the values we get:

percent error = |(27 - 25) / 25| x 100% = 8%.

So student 5's measurement had a percent error of 8%.

Answer 2

Explanation:

Layne:26:4%

Tenicia:23:8%

Juan:25:0%