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KATRIN_1 [288]
3 years ago
6

A student is measuring the lengths of caterpillars for an experiment. She measures 100 caterpillars using a ruler that measures

to the nearest centimeter. Which statement describes a change that could help improve the results of her experiment? O A. Her measurements will be more precise if she measures an additional 100 caterpillars. O B. Her measurements will be more accurate if she measures an additional 100 caterpillars. O C. Her measurements will be more accurate if she uses a ruler that measures to the nearest millimeter. O D. Her measurements will be more precise if she uses a ruler that measures to the nearest millimeter Please help
Biology
1 answer:
Leni [432]3 years ago
3 0

Answer:

B and C

Explanation:

<em>The student's measurement would be more accurate if she can measure an additional 100 caterpillars and be more precise if she uses a ruler that measures to the nearest millimeter.</em>

<u>Accuracy refers to the closeness of measurement or group of measurements to the true value while precision is the closeness of repeated measurements. </u>

The accuracy of a measurement is increased by increasing the number of sample measurements. The more the sample measurements, the lesser the deviation of the mean from the true value.

The precision of a measurement is increased by being able to measure small differences. Hence, a ruler that measures to the nearest millimeter would be more precise than a ruler that can only measure in centimeter.

<u>The correct option is B and C.</u>

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