Questions $813$ refer to the $($incomplete$)$ grouped frequency distribution below which depicts the mass $($in

kilograms$)$ of $25$ kittens and cats at a veterinarian.

Mass $($kg$)$ Number of cats $($f$)$ Midpoint

$($m$)$

fm fm$2$

$0<23133$

$2<4631854$

$4<610550250$

$6<84728196$

$8<102918162$

S $25-$ A B

QUESTION $8(4$ Marks$)$

The values of A and B$,$ respectively, are:

A$.117$ and $13689$

B$.171$ and $665$

C$.117$ and $655$

D$.117$ and $665$

QUESTION $9(4$ Marks$)$

A kitten is regarded as having a mass under $2$ kg$.$ What is the percentage of kittens in this sample?

A$.12\%$

B$.18\%$

C$.36\%$

D$.6\%$