same thing as
https://www.jiskha.com/questions/1777868/Find-the-standard-deviation-rounded-to-the-nearest-unit-for-the-data-indicated
Find the standard deviation (rounded to the nearest unit) for the data indicated.
Test Score Frequency
90 1
80 4
70 7
60 6
50 3
3 answers
Calculate, correct to the nearest unit
The standard deviation