Given: Null Hypothesis Is That the Population Mean Is 16

question 125

Multiple Choice

Given: null hypothesis is that the population mean is 16.9 against the alternative hypothesis that the
Population mean is not equal to 16.9. A random sample of 25 items results in a sample mean of 17.8
And the sample standard deviation is 2.4. It can be assumed that the population is normally
Distributed. Determine the observed "t" value.

• A) t = 1.88
• B) t = 1.83
• C) t = 1.75
• D) t = 2.21

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Definitions:

Frequency Theory

A theory explaining the perception of pitch that asserts neurons fire at the same rate as the frequency of an auditory stimulus.

Basilar Membrane

A key structure in the cochlea of the inner ear, which plays a crucial role in converting sound vibrations into neural signals.

Pitch Determination

The process of identifying the frequency of a sound, which dictates how high or low it appears to a listener.

Sound Waves

Noise that is transmitted through the air or another vehicle, becoming detectable when it encounters the ears of either people or animals.