If We Were Comparing the Difference Between the Mean Number

question 66

Multiple Choice

If we were comparing the difference between the mean number of sports drinks consumed by male vs.female athletes during a typical week,and we calculated a z value of 4.33,we would conclude that the probability of support of the

• A)null hypothesis of no difference is less than < 0.01 because 4.33 is greater than 2.58.
• B)alternative hypothesis of no difference is less than < 0.01 because 4.33 is greater than 2.58.
• C)null hypothesis of no difference is less than < 0.01 because 4.33 is less than 2.58.
• D)alternative hypothesis of no difference is less than < 0.01 because 4.33 is less than 2.58.
• E)None of these are correct.

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Definitions:

C Soil Horizon

The layer of soil that consists of weathered parent material, lying beneath the A (topsoil) and B (subsoil) horizons.

Weathering

Weathering is the process by which rocks, soil, and minerals are broken down by the Earth's atmospheric and biological conditions, such as temperature changes and chemical reactions.

Parent Material

The underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.

Iron Oxide

A chemical compound made of iron and oxygen, commonly found in rust and various minerals, and used in numerous industrial applications.