Try another version of this question Get help: Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
A sample was done, collecting the data below. Calculate the standard deviation, to one decimal place.
x 15 25 6 20 21
Enter DNE for Does Not Exist, oo for Infinity
Your answer should include exactly 1 decimal places. 7.3