Question

Accepted Answer

(a) mean $143/14$, median $9.5$, modes $5,15$; (b) histogram heights $4,4,4,2$, estimate $125/14\approx8.93$, about $1.29$ below exact; (c) $3/7,5/7$; (d) $28$.

Exact and grouped call-duration statistics

Exact and grouped call-duration statistics

Solution:

Typed Solution