Ex$.2?$

Management desires to establish a time standard for a work for a $95\%$ confident to be within $+-6\%$ of the true mean.

Step $1$: There are three work elements involved.

Step $2$:Timing the elements $($Select an average trained worker...$)$

$\backslash$table$[[$Element$,$Initial Observation Cycle Number, Minutes,$\backslash$table$[[$Select$],[$Time$,\frac{?}{\text{b}\text{a}\text{r}}()$