TABLE 12-5 Four Surgical Procedures Currently Are Used to Install Pacemakers.If the Pacemakers.If

question 145

True/False

TABLE 12-5
Four surgical procedures currently are used to install pacemakers.If the patient does not need to return for follow-up surgery,the operation is called a "clear" operation.A heart center wants to compare the proportion of clear operations for the 4 procedures,and collects the following numbers of patients from their own records: They will use this information to test for a difference among the proportion of clear operations using a chi-square test with a level of significance of 0.05.
-True or False: Referring to Table 12-5,there is sufficient evidence to conclude that the proportions between procedure B and procedure D are different at a 0.05 level of significance.

---

Definitions:

Osmosis

A process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.

Endometrial Tissue

The inner lining of the uterus, known as the mucous membrane, which becomes thicker throughout the menstrual cycle and is expelled during menstruation if pregnancy does not take place.

Nerve Tissue

A specialized tissue found in the nervous system, consisting of neurons and glial cells, that processes and transmits information through electrical and chemical signals.

Epithelial Tissue

The layer of cells covering the body surfaces, lining the body cavities, and forming the major part of glands, serving protective, secretion, and absorption functions.