Question

Explain/Define the following concept: Frequency array?

Answer 1

Here, we have to use the concept of frequency of array from the statistics. The concept of frequency array is generally used for a data analysis with more repetitions of some values.

Complete step by step solution:
Frequency array is defined as the number of times a discrete value or some particular data is repeating itself.
For example: Let us roll six face dice for 15 times and we get 2, 5, 6, 1, 1, 4, 2, 3, 5, 4, 2, 5, 6, 2, 1.
Now, we will create a table to show the number of times a number of die repeats itself.
Therefore, in this case we have :

Here we can see that 3 has occurred once which means 3 has a minimum frequency of 1. On the other hand, 2 has appeared 4 times in 15 throws, which is the maximum frequency.

Note:
Statistics is the science of collecting some data in the form of the number and studying it to forecast or predict its future possibility. An array is an arrangement of numbers or symbols in rows and columns. Frequency arrays help us a lot for the prediction and probability purpose. It also helps us to analyse real life data like to predict the sale of some specific product or to analyse the sales of the same type of products in the market. Also Frequency distribution is defined as the distribution of frequency corresponding to some class intervals.