According to the following Confusion Matrix answer the following questions:

Truth data

Classifier results

$\backslash$table$[[$n$,$Class $1,$Class $2,$Class $3,$Class $4,$Class $5,\backslash$table$[[$Classification$],[$overall$]]],[$Class $1,30,2,4,7,3,46],[$Class $2,,70,7,3,1,84],[$Class $3,1,\frac{6}{6},80,7,3,97],[$Class $4,10,3,9,50,1,73],[$Class $5,1,,3,5,25,38],[\backslash$table$[[$Truth$],[$overall$]],45,85,103,\frac{72}{72},3,]]$