Construct a box-and-whisker plot for the age of internet users obtained from a sample. Does the data contain any outliers? Comment on the plot and what inference can a researcher draw from the same?

4.3, 5.1, 3.9, 4.5, 4.4, 4.9, 5.0, 4.7, 4.1, 4.6, 4.4, 4.3, 4.8, 4.4, 4.2, 4.5, 4.4