Unit sales for new product ABC have varied in the first seven months of this year as follows:
Month | Jan | Feb | Mar | Apr | May | Jun | Jul |
---|---|---|---|---|---|---|---|
Unit Sales | 385 | 419 | 227 | 193 | 283 | 137 | 419 |
What is the (population) standard deviation of the data?
Please round your answer to the nearest integer.
Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.
Let the observations is denoted by xi (i=1, 2,3,4,5,6,7)
Get Answers For Free
Most questions answered within 1 hours.