1. Identify if the following situations would result in paired data. Explain your reasoning.

a. Do right-handed pitchers have a greater ability to throw fast than left-handed pitchers? A data table shows the average fastball speed for 10 randomly selected right-handed pitchers and 10 randomly selected left-handed pitchers.

b. Do pitchers who have Tommy John surgery have a smaller ability to throw fast after the operation? A data table shows the average fastball speed before the surgery and after the surgery for 10 pitchers who had the operation.