In the data set of weights of hummingbirds (in grams) randomly selected from a population, below, what proportion of the observations fall within 1, 2, and 3 standard deviations of each other, and do these figures indicate that the sample may have come from a normally distributed population? A.) 69%, 92%, 100%; yes
B.) 69%, 92%, 100%; no
C.) 50%, 89%, 99%; yes
D.) 50%, 89%, 99%; no
E.) Can't be determined

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4