1. which of the following does not need to be done when constructing a frequency
distribution?
a) select the number of classes desired
b) find the range
c) make the class width an even number
d) use classes that are mutually exclusive
2. what are the boundaries of the class 12-16?
a) 11.5 and 16.5
b) 10 and 18
c) 12 and 16
d) 4
3. which of the following pairs of class limits would be appropriate for grouping the
numbers 12, 15, 10, and 17 ?
a) 9-13 and 13-17
b) 10-12 and 15-17
c) 10-12 and 13-17
d) 10-13 and 14-17
1. which of the following does not ne