Name Date Class

Chapter 2 Lesson 2

Math in Science

Name Date Class

Chapter 2 Lesson 2

Math in Science

1. What three steps can you take to insure both accurate and precise measurements?

1)

2)

3)

2. ____ estimate / a. how close a measurement is to the true or accepted value
3. ____ accuracy / b. the numerical average of a set of data
4. ____ precision / c. the number that appears most often in a list of numbers
5. ____ range / d. how close a group of measurements are to each other
6. ____ mode / e. the difference between the greatest value and the least
value in a set of data
7. ____ mean / f. an approximation of a number based on reasonable
assumptions
8. ____ median / g. the middle number in a set of data
9. ____ anomalous data / h. data that does not fit in with the rest of the data set

Name Date Class

Chapter 2 Lesson 2

Math in Science

Use the word bank to fill in the blank to complete each statement.

1. A(n) is an approximation of a number based on reasonableassumptions. Scientists often rely on these when they cannot obtain exact numbers.

2. refers to how close a group of measurements are to eachother.

3. ______data is data that does not fit in with the rest of a data set.

4. A reliable measurement is both ______and ______.

5. The ______is the numerical average of a set of data.

6. The ______of a set of data is the difference between the greatest
value and the least value in the set.

Use the following information to find the

mean, median, mode and range.

7. Mean = ______9. Median = ______

8. Mode= ______10. Range= ______