Question

$3(2\mathrm{.}75$

$$point;

$0\mathrm{.}25$

$$pts per blank,

$0\mathrm{.}75$

$$for sereenshot of correct

R

$$code and output

$)$

: Use a the aggregate

$()$

$$function function in R to calculate the mean and SD of mob and aud for each diet type

$($

hawker and herbivore

$)$

$.$

$$Round the numerical values to the nearest

$0\mathrm{.}01($

using the round

$1$

$$function in R

$)$

$.$

$$Fill out the table below, then paste a screenshot

$/$

screenshots of your

R

$$output showing how you arrived at all values into this document.