【单选题】If it were discovered that the import dollar amount shown for 1978 was incorrect and should have been $ 5. 3 billion instead, then the average ( arithmetic mean) import dollar amount per year for the ...
【简答题】I've started with people's names. Now of course the name is not necessarily the name of the account holder; it could be a spouse, the kids or even the family dog. Furthermore, it could be a first name...