What is the median of 13,24,27,32,34,38,42,42,43,48,49,51 ,52,53,53,53,54,56,57,60,61,61,66,6 6,68,70,72,83,97?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Standard deviation of 19,29,21,22,23

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.