A Sports Agent Wants to Understand the Differences in the Annual

question 86

Multiple Choice

A sports agent wants to understand the differences in the annual earnings of players in different sports. The following table shows the annual earnings (in million $) of 52 athletes. For the Kruskal-Wallis test, the rank sums for each group are at the bottom of the table. Using the critical value approach and α = 0.01, the appropriate conclusion is ________.

• A) do not reject the null hypothesis; we cannot conclude not all median annual earnings are equal
• B) reject the null hypothesis; we can conclude not all median annual earnings are equal
• C) reject the null hypothesis; we cannot conclude not all median annual earnings are the equal
• D) do not reject the null hypothesis; we can conclude that not all median annual earnings are equal

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Definitions:

Basilar Membrane

A structure in the cochlea of the inner ear that plays a key role in the perception of sound, vibrating in response to sound waves and thereby stimulating hair cells to send nerve impulses to the brain.

Eardrum

A slender membrane dividing the external ear from the middle ear, which oscillates when hit by sound waves.

Oval Window

The membrane-covered opening that leads from the middle ear to the vestibule of the inner ear and is involved in the process of hearing.

Amplitude

In the context of waves, it is the height of the wave, which can determine the intensity or loudness of a sound.