Can the standard deviation ever be negative?
For unlimited access to Homework Help, a Homework+ subscription is required.
Can standard deviation ever be negative?
The percentage of people who can recognize the Sony brand between the average (+/-) one standard deviation (i.e., average - 1 standard diviation and average + 1 standard deviation) is 0.900.150.300.65none of the answers
The graph below shows three different normal distributions.
Which statement must be true?