a. Would the clustering strategy of estimation be a good one to use in each of the followi...

a. Would the clustering strategy of estimation be a good one to use in each of the following cases? Why or why not?

(i)

(ii)

b. Estimate each part of (a) using the following strategies:

(i) Front-end with adjustment

(ii) Grouping to nice numbers

(iii) Rounding