Question $3$

$10$ pts

The following table represents the MPY closing sock price over a period of $9$ trading days.

$\backslash$table$[[\backslash$table$[[$Trading$],[$Day$]],$Day $1,$Day $2,$Day $3,$Day $4,\backslash$table$[[$Day$],[5]],$Day $6,$Day $7,$Day $8,\backslash$table$[[$Day$],[9]]],[\backslash$table$[[$Stock$],[$Price$]],$$$40\mathrm{.}01,$$$42\mathrm{.}12,$$$41\mathrm{.}97,$$$43\mathrm{.}87,$$$44\mathrm{.}5,$$$40\mathrm{.}27,$$$41\mathrm{.}38,$$$43\mathrm{.}03,$$$44\mathrm{.}3$