1. 1)

2. Standard Deviation

3. Normal Curve Standard Deviation mean

4. 2)On a math Regents Exam 5,000 students took the test. The mean was 82 the standard deviation was 4.

5. 3)For the following set of data: 65, 82, 81, 70, 93, 78, 81, 60, 98, 88 a)Find the mean and median using your calculator and then find the mode and range.

6. Standard Deviation in The Calculator mean standard deviation

7. 3)For the following set of data: 65, 82, 81, 70, 93, 78, 81, 60, 98, 88 b) How many scores fall within one standard deviation of the mean?

8. 4) For the following set of data: 29, 35, 24, 25, 21, 21, 18, 28, 21, 26, 26, 22 a)Find the mean and median using your calculator. b)How many scores fall within two standard deviations of the mean?

9. 5) For the following set of data: 20, 13, 10, 6, 13, 10, 13, 11, 11, 10 a)Find the mean and median using your calculator. b)How many scores fall within one standard deviation of the mean?

10. 6) For the following set of data: a)Find the mean and median using your calculator. b)How many scores fall within two standard deviations of the mean? xFrequency 203 224 254 272 282

11. 7) For the following set of data: a)Find the mean and median using your calculator. b)How many scores fall within one standard deviation of the mean? xFrequency 802 844 875 913 951

12. Homework Standard Deviation Homework