A Sample of Customers from Barnsboro National Bank Shows an Average

Multiple Choice

A sample of customers from Barnsboro National Bank shows an average account balance of $315 with a standard deviation of $87. A sample of customers from Wellington Savings and Loan shows an average account balance of $8350 with a standard deviation of $1800. Which statement about account balances is correct?

A) Barnsboro Bank has more variation.
B) Wellington S&L has more variation.
C) Both have the same variation. $\overline { X ^ { * } }$ $\overline { X ^ { * } }$