A program of pet therapy has been running for students during the week before final exams. Are the participants in the program calmer during finals than non-participants? The results from a random sample of students are reported below:

	Pet therapy participation
Calmness	Participants	Non-participants	Totals
High level of calmness	23	15	38
Low level of calmness	11	18	29
Total	34	33	67

3c) We are interested to see the difference between those with high levels of anxiety. Create a PQ chart in Excel to show the pattern of the relationship using the percentages from the question above. Place a copy of the PQ chart below. (0.34 points)