Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Extracurricular Activities Use the frequency distribution to construct a probability distribution. The number of school-related extracurricular activities per student. Activities [0] [1] [2] [3] [4] [5] [6] [7] STUDENTS 22 37 53 57 70 39 25 19 * [x] [P open parentheses x close parentheses] 0 _____ 1 _____ 2 _____ 3 _____ 4 _____ 5 _____ 6 _____ 7 _____ * Find the mean to 3 significant digits. [mu equals] _____ * Find the variance to 3 significant digits. [sigma squared equals] _____ * Find the standard deviation to 3 significant digits. [sigma equals] _____
Right answer summary: part 1: 0.0683; part 2: 0.115; part 3: 0.165; part 4: 0.177; part 5: 0.217; part 6: 0.121; part 7: 0.0776; part 8: 0.059; part 9: 3.33; part 10: 3.48; part 11: 1.86
Question state: todo