(I NEED THE ANSWER ASAP)
What is difference between the mean number of boxes sold during the first 4 months of last year and the first 4 months of this year?
![I NEED THE ANSWER ASAP What is difference between the mean number of boxes sold during the first 4 months of last year and the first 4 months of this year class=](https://us-static.z-dn.net/files/de4/8c4ed2b85cb064d400f2f274ba51f7f8.jpg)