Customers in a coffee shop were asked if they prefer caffeinated or decaffeinated coffee and if they prefer
their coffee with or without milk. The results are
displayed below.
Coffee Preferences
Based on the graph, is there an association between
the type of coffee and milk preference?
There is an association because the distribution of
milk preference differs among the types of coffee.
O There is an association because the distribution of
milk preference is the same among the types of
coffee.
O There is no association because the distribution of
milk preference differs among the types of coffee.
O There is no association because the distribution of
milk preference is the same among the types of
coffee.
1
0.9
0.8
0.7
0.6
Relative Frequency
0.5
Without milk
With milk
0.4
0.3
02
0.1