$7\mathrm{.}2.$ Provide results.

$(2$ marks$)$

$\backslash$table$[[$Age $($days$),$Sample no:$,\backslash$table$[[$Compressive$],[$strength $($ MPa $)]],$Average $($MPa$)],[7,1,26,680,27,136],[2,27,145],[3,27,582],[28,1,44,263,44,303],[2,44,102],[3,44,225]]$

$7\mathrm{.}3.$ Discuss the results and conclude by comparing them to the standard specifications.

$(4$ marks$)$