Artificial Hip Joints Consist of a Ball and Socket $\alpha = 0.01$

question 11

Multiple Choice

Artificial hip joints consist of a ball and socket. As the joint wears, the ball (head) becomes rough. Investigators performed wear tests on metal artificial; hip joints. Joints with several different Diameters were tested. The following table presents measurements of head roughness (in Nanometers) . Perform the Tukey-Kramer test to determine which pairs of means, if any, differ. Use the $\alpha = 0.01$ level of Significance.

• A) There is not enough evidence to conclude that any of the means differ.
• B) \(\mu _ { 16 } \neq \mu _ { 24 } , \mu _ { 16 } \neq \mu _ { 30 }\)
• C) \(\mu _ { 16 } \neq \mu _ { 24 }\)
• D) \(\mu _ { 16 } \neq \mu _ { 24 } , \mu _ { 24 } \neq \mu _ { 30 }\)

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Definitions:

Abu Simbel

An ancient temple complex in southern Egypt, built by Pharaoh Ramesses II, notable for its massive rock-cut sculptures.

Temple

A building devoted to the worship, or regarded as the dwelling place, of a god or gods or other objects of religious reverence.

Demotic

Late Egyptian writing.

Rosetta Stone

An ancient Egyptian stone slab bearing inscriptions in three scripts—hieroglyphic, demotic, and Greek—that was the key to deciphering Egyptian hieroglyphs.