Which of These Statements Is Correct About One- and Two-Tailed

question 13

Multiple Choice

Which of these statements is correct about one- and two-tailed tests?

• A) A statistical model that tests a directional hypothesis is called a one-tailed test, whereas one testing a non-directional hypothesis is called a two-tailed test
• B) A statistical model that tests a non-directional hypothesis is called a one-tailed test, whereas one testing a directional hypothesis is called a two-tailed test.
• C) A two-tailed test is a more powerful test than a one-tailed test.
• D) A one-tailed test is a more accurate test than a two-tailed test.

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Definitions:

Blasts

Immature cells, particularly seen in the blood or bone marrow, indicating early stages of cell development, often used in the context of leukemia.

Crine

Crine is a suffix used in biology and medicine to denote secreting, related to glands and substances they release, such as endocrine (hormone-secreting) or exocrine (substance-secreting through ducts).

Gen

Short for generation, referring to a distinct group within a defined time period sharing similar age and characteristics.

Cidal

Relating to agents or processes that kill cells or organisms, used commonly in the context of antibiotics or antiseptics.