We will use the a$10$ data $($Total monthly scripts for pharmaceutical products falling under ATC code A$10,$ as recorded by the Australian Health Insurance

Commission, July $1991-$ June $2008)$ for this exercise.

$($a$)$ Plot the raw data

$($b$)$ Calculate the value of lambda using R Studio and write down the value of lambda.

$($c$)$ Perform BoxCox transformation on a$10$ and plot BoxCox transformation for a$10.$

$($d$)$ Determine if a Box$-$Cox transformation is necessary for this scenario.help