$2\mathrm{.}3\mathrm{.}2$: Method stubs: Statistics.

Define stubs for the methods called by the below main$().$ Each stub should print "FIXME: Finish methodName$()"$ followed by a

newline, and should return $-1.$ Example output:

FIXME: Finish getUserNum$()$

FIXME: Finish getUserNum$()$

FIXME: Finish computeAvg$()$

Avg: $-1$