Which of the following relations has a range of {1, -4}? A {(3, 1), (2. -4)}

B {(1, 3), (-4,2), (-4,4)}

C None of the other answers are correct

D {(1, 3), (-4, 2))

E (3, 1), (2.-4), (1,3)}

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?