If Two Groups of Numbers Have the Same Mean, Then

question 158

Multiple Choice

If two groups of numbers have the same mean, then

• A)their standard deviations must also be equal
• B)their medians must also be equal
• C)their modes must also be equal
• D)None of these alternatives is correct.

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Definitions:

Heat

The form of energy that is transferred between systems or objects with different temperatures, flowing from high to low.

Cold

A viral infectious disease of the upper respiratory system, characterized by a running nose, sore throat, cough, and sneezing.

Conifers

A class of cone-bearing seed plants, mostly evergreens, that includes pines, spruces, and firs, characterized by needles or scale-like leaves.

Spruce

A type of evergreen coniferous tree belonging to the genus Picea, known for its needle-like leaves and wood used in various applications.