Independent Simple Random Samples Are Taken to Test the Difference

question 60

Multiple Choice

Independent simple random samples are taken to test the difference between the means of two populations whose standard deviations are not known, but are assumed to be equal. The sample sizes are n₁ = 25 and n₂ = 35. The correct distribution to use is the

• A)t distribution with 61 degrees of freedom
• B)t distribution with 60 degrees of freedom
• C)t distribution with 59 degrees of freedom
• D)t distribution with 58 degrees of freedom

---

Definitions:

Saliva Cells

Cells found within the saliva, including various types of white blood cells, which can provide information about the body's health status.

Amylase

An enzyme that helps digest carbohydrates by breaking them down into simpler sugars, primarily found in saliva and pancreatic fluid.

Vas Deferens

A long, muscular tube that transports mature sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation.

Seminal Vesicle

A pair of glands in males that produce and secrete a significant portion of the fluid component of semen.