Assignment $1$: Traffic System & Stream Characteristics

Question $1$:

The following traffic count data were taken from a permanent detector location on a major highway.

$\backslash$table$[[$Month$,$No$.$ of Weekdays in Month,Total No$.$ of Days in Month,Total Weekday Volume,Total Monthly Volume$],[$January$,22,31,110,000,110,000],[$February$,20,28,107,000,107,000],[$March$,22,31,120,000,120,000],[$April$,22,30,130,000,130,000],[$May$,21,31,135,000,135,000],[$June$,22,30,145,000,145,000],[$July$,23,31,150,000,150,000],[$August$,21,30,152,000,152,000],[$September$,22,31,140,000,140,000],[$October$,22,30,135,000,135,000],[$November$,21,31,105,000,105,000],[$December$,22,100,000,100,000,]]$

Determine the following:

a$.$ The average annual daily traffic.

b$.$ The average daily traffic for each month.

c$.$ The average weekday for each month.