The following data represents the number of adverse events that a sample of 9 children between 0-5 (y.o.a) experience every year: 0, 1, 1, 1, 2, 2, 3, 4, 4. What is the standard deviation for these...

The following data represents the number of adverse events that a sample of 9 children between 0-5 (y.o.a) experience every year: 0, 1, 1, 1, 2, 2, 3, 4, 4. What is the standard deviation for these scores, to the nearest thousandth decimal point? show steps please