What number of students describe the intercept range?
20, 18, 21, 18, 22, 24, 18, 23, 23, 24,

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the distance between the points (2, 5) and (5,9)?