Kyla recorded the length of each piece of silver wire that she sold at her shop last
week.
She charged £4.75 per metre for the wire.
Work out an estimate for the mean cost of these pieces of wire.
Search
Length, (metres)
45<1≤55
5.5<1≤65
6.5<1≤7.5
<1585
85<1≤9.5
Frequency
7
17
19
5