A Scale from Which a Rock Is Suspended Reads 5

question 7

Multiple Choice

A scale from which a rock is suspended reads 5 N when the rock is out of water and 3 N when the rock is submerged. Buoyant force on the rock is

• A)2 N.
• B)3 N.
• C)4 N.
• D)5 N.

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Definitions:

Degrees of Freedom

The amount of separate values or quantities that can be given to a statistical distribution.

P-Value

The p-value is a measure in statistical hypothesis testing that indicates the probability of obtaining test results at least as extreme as the ones observed, assuming the null hypothesis is true.

Level of Significance

The threshold under which a statistical result is considered statistically significant, traditionally set at 0.05 or 5%.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or parameter estimate, impacting the shape and scale of the distribution.