Two groups of students were asked how many pets they had. the table below shows the numbers for each group: company a 1 2 1 1 3 5 4 2 3 company b 3 2 3 2 2 2 1 1 2

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.

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.