Load the file thermo$\_$scores.dat provided by your instructor, or enter the array below and name it

thermo$\_$scores. $($Enter only the numbers.$)$

load thermo$\_$scores.dat

$($a$)$ Extract the scores and student number for student $5$ into a row vector named student$\_5.$

$($b$)$ Extract the scores for Test $1$ into a column vector named test$\_1.$

$($c$)$ Find the standard deviation and variance for each test.