1.6- Measures of Center and Variability Exit Ticket A researcher is interested in how much annual rainfall is typical in the United States. She takes a random sample of 9 cities in the U.S. and records the annual rainfall, in inches. 8.2 10.3 33.5 w 39.1 40.5 Frequency 2 41.9 42.4 44.9 53.7 10 I'S 20 2's 30 35 40 45 50 55 60 Annual rainfall (inches) 1. Calculate the mean annual rainfall for these cities. 2. Find the median annual rainfall for these cities. 3. Would you use the mean or the median to summarize the typical annual rainfall for a U.S. city? Explain. 4. The standard deviation of the annual rainfall for these 9 cities is 15.52 inches. Interpret this value