Feeding the Future is a company that produces healthy foods for children. They have recently developed a new product called Krunchy Kale Krisps and they want to test how popular these delicious treats will be with children. The researchers think that the age of the child may have an affect on how much they will enjoy the healthy treats. They will run an ANOVA to test this. They separate age by 4-6, 7-9, and 10 and over. They then assess how much the children in their sample report that they like the treats on a scale of 1-10. The degree to which the children report liking Krunchy Kale Krisps is the:

test statistic

treatment

response variable

factor level