An Operator Collected the Following Time Series Data from a Process

Essay

An operator collected the following time series data from a process: $$\begin{array} { l l l l l l l l } 4.0 & 4.4 & 4.3 & 4.5 & 4.6 & 4.2 & 4.1 & 4.5\end{array}$$ (A) Determine the number of A/B runs.
(B) Determine the number of up/down runs.