How Do You Find the Probabilities Needed to Obtain Expected

question 173

Multiple Choice

How do you find the probabilities needed to obtain expected frequencies for a test of a contingency table?

• A)If there are r rows and c columns,let each probability be 1/rc.
• B)Use the probabilities specified in the null hypothesis.
• C)Assume H₀ is true and use your data to calculate them.
• D)None of these choices.

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Definitions:

Phospholipids

Phospholipids are a class of lipids that are a major component of all cell membranes; they form bilayers due to their hydrophilic heads and hydrophobic tails.

Hydrophobic Region

Part of a molecule that is repellent to water, often found in lipids and integral membrane proteins.

Hydrophilic Region

Describes a part of a molecule or structure that is attracted to water and tends to interact well with it.

Hydrogen Bond

A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.