a cell phone company collected data of texting speed in words per minute according to time in minutes…

Brief Explanations:

Scatterplots are used to show the relationship between two variables. Here, the two variables are texting - speed (words per minute) and time (in minutes). They can help identify patterns like positive or negative correlations, clusters, or outliers in the data. This helps the cell - phone company understand how texting speed varies with time.

Answer:

A scatterplot is used to represent the data because it can effectively display the relationship between texting speed and time. The purpose of scatterplots is to show patterns, trends, correlations, clusters, and outliers in bivariate data.