Please compute the Mean, Median, Mode, and Standard Deviation of the data:
15, 29, 26, 23, 24, 21, 16, 23, 20, 23, 24, 18, 20, 22, 23, 17, 28, 19, 21, 20, 28, 25
You might want to use these links below for the computation.
https://www.calculator.net/standard-deviation-calculator.html
https://www.calculator.net/mean-median-mode-range-calculator.html