The _____________ of a class is the sum of the lower and upper limits of the class divided by two.
Midpoint
Calculate the midpoint 54 - 87?
70.5
What are the boundaries for 8 - 9?
7.5 - 9.5
What is the missing number?
15
What is another name for the ogive?
Cumulative frequency graph
A _______________ _________________is a table that shows classes or intervals of data with a count of the number in each class
Frequency Distribution
Calculate the midpoint 98 - 123?
110.5
In the construction of a frequency distribution, it is a good idea to have overlapping class limits, such as 10-20, 20-30, 30-40.
No
What is this graph called?
Cumulative Frequency Graph
Use the frequency histogram to determine the number of classes.
7
The __________ is the difference between the maximum and minimum data entries
Range
Calculate the midpoint 872 - 934?
903
Use the given frequency distribution to find the class width
3
What is the missing number?
4
Name this graph
Polygon
__________________ ____________ are the numbers that separate the classes without forming gaps between them.
Class Boundaries
Calculate the midpoint -6 - 8 ?
1
Use the given frequency distribution to find the Class Boundaries of the last class
61.5 - 64.5
What is the first number in the cumulative frequency column?
8
Which class that has the highest frequency?
Fourth
A __________________ is a bar graph that represents the frequency distribution of a data set.
Histogram
Calculate the midpoint 50 - 98?
74
Use the given frequency distribution to find the boundaries of the first class
49.5 - 52.5
When constructing Cumulative Frequency graph which boundaries should you use?
Upper
How many students were in the data set?
24