When the Normality Assumption Is Not Met in a Randomized

question 81

Multiple Choice

When the normality assumption is not met in a randomized block design, which of the following tests should be used?

• A) Wilcoxon rank sum test
• B) Wilcoxon signed ranks test
• C) Kruskal-Wallis test
• D) Friedman rank test

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Definitions:

Air-fluidized Bed

A therapeutic bed filled with tiny ceramic beads, which acts like a fluid when air is blown through it, reducing pressure on the skin and aiding in the healing of certain types of wounds.

Slight Disorientation

A minor disturbance in orientation, affecting a person's sense of direction, time, or identity.

Pressure Ulcers

Injuries to skin and underlying tissue resulting from prolonged pressure on the skin, often affecting people with limited mobility.

Air-surface Beds

Specialized medical beds that use air pressure to support and reduce pressure points for patients, preventing bed sores.