A cell phone company collected data of texting speed in
words per minute according to time in minutes. Explain
why a scatterplot is used to represent the data, including
the purpose of scatterplots.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 0.45, a standard deviation of 0.001, and margin of error of 0.5% a)0.44 b)0.46 c)0.45