The table below gives the per-pupil expenditures (in thousands of dollars) and their frequencies for the 50 states and the District of Columbia. Expenditure
($ thousands)
Frequency
1-3 0
4-6 6
7-9 28
10-12 14
13-15 3
(
(b) Find the mean per-pupil expenditure. (Round your answer to two decimal places.)
thousand dollars