FREQUENCY DISTRIBUTION TABLE Flashcards
Numerous data can be analyzed by grouping the data into different classes with equal class intervals and determining the number of observations that fall within
each class. This procedure is done to lessen work done in treating each data individually by treating the data by group.
Frequency Distribution Table
The smallest and the largest values that fall within the class interval (class)
Class limits
Taken with equal number of significant figures as the
given data.
Class limits
More precise expression of the class interval
Class boundaries (true class limits)
It is usually one significant digit more than the class
limit.
Class boundaries (true class limits)
Acquired as the midpoint of the upper limit of the lower class and the lower limit of the upper class
Class boundaries (true class limits
The number of observations falling within a particular
class.
Frequency
Counting and tallying
Frequency
Numerical difference between the upper and lower class
boundaries of a class interval.
Class width (class size)
Middle element of the class
Class mark (class midpoint)
It represents the entire class and it is usually symbolized by x.
Class mark (class midpoint)
- can be derived from the frequency distribution and can be also obtained by simply adding the class frequencies
- Partial sums
Cumulative Frequency Distribution
refers to the distribution whose frequencies are less than or below the upper class boundary they correspond to.
Less than cumulative frequency (<cf)
refers to the distribution whose frequencies are greater than or above the lower class boundary the correspond to.
Greater than cumulative frequency (>cf)
Percentage frequency of the class with respect to the total population
- For presenting pie charts
Relative Frequency
