Question

several students were selected to participate in a two - question survey. they were asked if they prefer a cat or dog as a pet, and if they prefer soup or salad for lunch. the results are displayed below. pet and lunch preferences based on the graph, is there an association between pet preference and lunch preference? there is an association because the distribution of lunch preference differs among the pet groups. there is an association because distribution of lunch preference is approximately the same among the pet groups. there is no association because the distribution of lunch preference differs among the pet groups. there is no association because the distribution of lunch preference is approximately the same among the pet groups.

Explanation:

Step1: Analyze association concept

If the distribution of one variable (lunch preference) differs among groups of another variable (pet preference), there is an association.

Step2: Observe the graph

The relative - frequency of lunch preference (soup or salad) is approximately the same for cat - preference group and dog - preference group.

Answer:

There is no association because the distribution of lunch preference is approximately the same among the pet groups.