To Compute a Two-Independent-Sample T Test,a Researcher Has to Know

question 49

Multiple Choice

To compute a two-independent-sample t test,a researcher has to know many values.Which of the following is NOT a value that the researcher must know to compute this test?

• A) the pooled sample variance
• B) the pooled population variance
• C) the sample size for both samples
• D) the sample mean for both samples

---

Definitions:

Taste Receptors

Taste receptors are specialized sensory cells located on the tongue that enable the perception of different tastes, such as sweet, salty, bitter, and sour.

Taste Bud

Specialized sensory structures located on the tongue and other parts of the mouth, responsible for detecting the five elements of taste perception: sweetness, sourness, bitterness, saltiness, and umami.

Place Theory

A theory in psychoacoustics suggesting that the perception of sound depends on where each component frequency produces vibrations along the basilar membrane of the inner ear.

Helmholtz

Refers to Hermann von Helmholtz, a German physicist and physician known for his contributions to the understanding of the conservation of energy and the physiology of vision and hearing.