----- Nội dung ảnh ----- 1. Find the range of the data set below. −2, 8, 20, −24, 30, 26, −14, −15 3. Find the range of the data set below. 29, 11, −5, −10, 13, 17 5. Find the variance of the data set below. Round your answer to the nearest hundredths place if applicable. 1, 2, 12
