Hope Student Researchers Want to Determine If Students Yawning (When

Multiple Choice

Hope student researchers want to determine if students yawning (when being yawned at) is asso-ciated with the time of day (morning, afternoon, and evening) . They found the following results when they yawned in front of people around campus:

• Morning: 25 of the 39 people yawned
• Afternoon: 15 of the 38 people yawned
• Evening: 29 of the 44 people yawned
-When this test is run, a p-value of 0.03 is found. What would be an appropriate conclusion?

A) We have strong evidence that the probability a person yawns is different between all three times of day: morning, afternoon, and evening.
B) We have strong evidence of an association between time of day and whether a person yawns.
C) We have strong evidence of no association between time of day and whether a person yawns.
D) We do not have strong evidence of an association between time of day and whether a person yawns.