An Example of a Problem Where the Sample Data Would

Multiple Choice

An example of a problem where the sample data would be paired is:

A) Difference between the means of appraised and sales house prices
B) Difference between the proportion of defective items from two suppliers
C) Difference in the mean life of two major brands of batteries
D) Difference in the mean salaries for graduates in two different academic fields at a university
E) None of these options