Question

Express frequency distribution with its application

Answer 1

Frequency distribution is a representation, either in a graphical or tabular format, that displays thenumber of observations within a given interval.  Frequency distributions are typically used within a statistical context.

Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and in this way, the table summarizes the distribution of values in the sample.


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Answer 2

Frequency tells you how often something occurs. The frequency of an observation in statistics tells you the number of times the observation occurs in the data. For example, in the following list of numbers, the frequency of the number 9 is 5 (because it occurs 5 times):

1, 2, 3, 4, 6, 9, 9, 8, 5, 1, 1, 9, 9, 0, 6, 9.

In order to avoid medication errors before they happen, a hospital decided to record incidents that potentially have resulted in a medication error. A frequency table was made after being designed by a quality team of the people involved and is presented below.