Statistics
Matching exercise
Match the items on the right to the items on the left.
In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. What is the lower limit of the class?
The width of each of nine classes in a frequency distribution is 2.5 and the lower class boundary of the lowest class is 10.6. What is the upper class boundary of the highest class?
Find the arithmetic mean of 30,36,39,23 and 27.
The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is
7
33.1
31
35