Problem $10-14($Static$)$

Analyze the data In the following problems using median and up$/$down run tests with $z=+-2$

a$.$ Given the following run test results of process output, what do the results of the run tests suggest about the process?

$\backslash$table$[[$Test$,z-$score$],[$Median$,+1\mathrm{.}37],[$Up$/$Down$,+1\mathrm{.}65]]$

Probably random

Probably nonrandom

b$.$ Twenty means were plotted on a control chart. An analyst counted $14$ runs above$/$below the median, and $8$ up$/$down runs. What do the results suggest about the process?

Probably random

Probably nonrandom

c$.$ The following data are the number of defects per spool of cable.

$\backslash$table$[[,$OBSERVATION$],[,1,2,3,4,5,6,7,8,9,10,11,12,13,$