Chapter 6 Case Study: SAT Scores and AP Exam Scores.
The table contains the frequency distribution of X = score on the Statistics Advanced Placement Exam for students from California. Use this information for Exercises 78–88.
| Frequency | |
|---|---|
| 5 | 3,464 |
| 4 | 5,108 |
| 3 | 6,333 |
| 2 | 4,937 |
| 1 | 6,058 |
| Total |
Question 6.87
APstats
87. Calculate the variance and standard deviation of .
6.1.87
; .