Use the following data to estimate the mean number of miles Bay Area workers walk each day. Data from 40 randomly selected Bay Area workers: 0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,4,4,4, a) What option in StatCrunch to use? b) What is the CI? Select all answers that are correct. Proportion Stats, One Sample Cl=(1.123, 2.112) T stats, one sample Cl=(1.215, 2.135) Proportion Stats, Two Sample T stats, two sample CI=(1,114, 2.124)