An Analyst Plans to Test Whether the Standard Deviation for the Time

question 22

Multiple Choice

An analyst plans to test whether the standard deviation for the time it takes bank tellers to provide service to customers exceeds the standard of 1.5 minutes. The correct null and alternative hypotheses for this test are:

---

Definitions:

Podocytes

Podocytes are specialized cells in the kidney that wrap around capillaries of the glomeruli, playing a key role in the filtration of blood to form urine.

Renal Medulla

The innermost part of the kidney, composed of renal pyramids and tubules, responsible for concentrating urine.

Renal Cortex

The outer layer of the kidney involved in filtration to form urine.

Renal Capsule

The renal capsule is a tough fibrous layer surrounding the kidney and providing it with protection against trauma and infection.