Question 2 (1 point) 9 Listen Read the statistical question and study design. Determine if it is a survey, experiment, or observational study. Do voters in the district favor a sales tax increase of % to fund the parks and recreation department? A politician sends a letter to 300 voters in the district asking, "Would you be in favor of a 1% increase in sales tax to fund the parks and recreation department in town?" Observational Study Survey ExperimentQuestion 1 (1 point) Listen A researcher is considering three methods of evaluating two different cold medicines. Explain which method would be most reliable and why. Method A Method B Method C Choose 50 people at Monitor 50 people with Randomly divide a group of colds and measure the random. Ask which cold 50 people with colds into medicines they have taken length of the symptoms for two groups. Give each the individuals who choose group a different medicine in the past and how effective they were. to take each type of and measure the length of medicine. the symptoms. O All methods are equally reliable. O Method C Method B O Method A