Question 1 -This is a X bar/Range Control Chart of pH levels in a swimming pool. What statistical evidence is exhibited that infers that the ph level has been unstable?

options:

-The 12th observation in the X-bar chart and the 9th the observation in the Range chart.

-Observations 8 and 20 in the X bar chart and observations 5 to 10 in the R chart.

-The 8th observation in the X bar chart and no observations in the R chart

-The data between Observation 8 and 20 in the X-bar chart and the some indication of special causes in the Range chart

question 2 - Your team has plotted the number of patient complaints received by a hospital for the last 24 months as shown in the chart above. What can your team conclude about patient complaints in terms of process results over time?

	Patient complaints are increasing in a stable consistent way
	Patient complaints are higher, but in control, in the second year of reporting
	Patient complaints have exhibited an unstable condition since July of the first year of data collection
	Patient complaints were at their lowest in July of the first year