ow is the standard deviation calculated according to the video?(1 point)
Responses
a) Finding the difference between the individual data values
a) Finding the difference between the individual data values
b) Taking the average of the data values
b) Taking the average of the data values
c) Subtracting the lowest value from the highest value
c) Subtracting the lowest value from the highest value
d) Adding all the numbers and dividing by the number of data values