A sample of 20 customers from Barnsboro National Bank reveals an average savings account balance of $315,

Question:

A sample of 20 customers from Barnsboro National Bank reveals an average savings account balance of $315, with a standard deviation of $87. A sample of 25 customers from Wellington Savings and Loan reveals anaverage savings account balance of $8350, with a standard deviation of $1800. Which of these samples has the greater relative dispersion?