3. What is the conclusion? a. Statistics confirms that there is more air traffic (on average) in January than in December. b. We can claim that there is more air traffic (on average) in December than in January. c. We cannot claim there is more air traffic (on average) in December than in January. d. None of these en Air Traffic data. SETUP: It is believed that in July, as years go by we see higher and higher traffic. en the data your job is to confirm or disprove this assertion. What test/procedure did you perform? a. Regression b. Two sided t-test