Class Limits: 20-26 27-33 34-40 41-47 48-54 55-61
Frequency: 7, 12, 9, 4, 2, 1
1. What is the mean of distribution?
2. What is the upper class boundary for the class 27-33?
3. What is the class width
4. What is the midpoint of the class 48 - 54?
5. What is the relative frequenct of the class 27 - 33?
6. What is the standard deviation of the distibution?