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TABLE 10-4
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances. The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Table 10-4, there are ________ degrees of freedom for this test.
Circulatory System
The body's system responsible for transporting blood, nutrients, gases, and waste products, and includes the heart and blood vessels.
Amphibian
A class of cold-blooded vertebrates that live both in water (as larvae or tadpoles) and on land (as adults), including frogs, toads, and salamanders.
Oxygen-rich
Describes an environment or substance containing high levels of oxygen, often associated with well-oxygenated blood and atmospheres conducive to aerobic life forms.
Oxygen-poor
A condition or environment where the concentration of oxygen is significantly lower than the average.
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