$2\mathrm{.}1$ Managers require relevant information to make decisions.

Discuss the three main steps involved in preparing this information $(3$ Marks$)$

$2\mathrm{.}2$ Explain any three reasons managers utilise models in their decision$-$making processes. $(4$ Marks$)$

$2\mathrm{.}3$ Explain four measures for data spread. $(4$ Marks$)$

$2\mathrm{.}4$ Briefly describe the purpose of an index and explain why indices are typically set with a base value of $100.(2$ Marks$)$

$2\mathrm{.}5$ Identify and explain the last two stages in the problem$-$solving process. $(2$ Marks$)$