Which of these is a categorical variable?

Description Cumulative Incidence and Relative Risk Instructions Based on the data from the abdominal aortic aneurysm patients that were followed for two weeks after surgery and observed for complications, answer the questions below.  211 patients had emergency surgery, 21 of them developed complications. 211 patients had routinely scheduled surgery, 8 of them developed complications.     Emergency surgery Routinely scheduled surgery Total Complications Yes 21 8 29 Complications No 190 203 393 Total 211 211 422   What is the relative risk of complications for emergency surgery patients compared with routinely scheduled surgery patients?    

(1)  A sold is obtained by rotating the region  bounded by  the curves     about the axis.       A typical cross section of the solid is a             A.  Square       B. Disk       C. Washer                                        [ans1]  (enter A, B or C )   (2)  Find the volume   of the solid.      

Call-and-response is  

(BONUS 1 pt) TRUE or FALSE: Polymerase switching occurs in prokaryotic cells.

The term “organic” refer to foods that

(BONUS 1 pt) Define exon.

A coding strand of a DNA double helix is 5’ CTG AAA TTT 3’.  What is the RNA sequence that would be transcribed by this DNA segment?

Fungi, most protozoa, animals, and many bacteria are:

People who share a sense of homeland but do not have political autonomy over that homeland can be described as belonging to a