report that includes the data collected, the detailed methods used, the method of analysis, any relevant graphs and/or statistics, and a statement of conclusions. Include a critique of the ex- periment, with reasons why the results might not be correct, and describe ways in which the experiment could be improved. 3. In-class activity Complete the following table, then compare variation for smartphone data speeds. See Data Set 32 "Airport Data Speeds." Standard Deviation Range Verizon Sprint AT&T T-Mobile 4. Out-of-class activity Record the times that cars are parked at a gas pump, and describe important characteristics of those times. 5. Out-of-class activity Several websites, such as www.gasbuddy.com, are designed to pro- vide a list of local gas prices. Obtain a list of local gas prices and explore the data using the methods of this chapter and Chapter 2. 6. Out-of-class activity Data Set 28 "Chocolate Chip Cookies" in Appendix B includes counts of chocolate chips in five different brands of cookies. Obtain