In Order to Say That a Distribution Is Positively Skewed

question 18

Multiple Choice

In order to say that a distribution is positively skewed, which of the following must be true?

• A) Right tail must be longer than the left
• B) Right tail must be shorter than the left
• C) Right and left tails must be equal
• D) Curve must be bell-shaped

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Definitions:

Plasmolysis

The process in which cells lose water in a hypertonic solution, causing the cell membrane to detach from the cell wall.

Crenation

The shrinking of cells in a hypertonic solution due to loss of water through osmosis.

Osmotic Pressure

The pressure that needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.

Turgor Pressure

The pressure exerted by water inside the cell against the cell wall, contributing to the structural rigidity of plant cells.