(a(i))[4]
Calculate a mean estimate.
(a(ii))[4]
Using the grid, draw a histogram to represent the information in the table.
(b(i))[1]
For how many days was the mass recorded?
(b(ii))[1]
Find a median estimate.
(b(iii))[1]
Find a quartile estimate for the upper quartile.
(b(iv))[1]
Find an estimated interquartile range.
(b(v))[2]
Find an estimate for the number of days for which the mass was greater than 20 tonnes.