Use the Following to Answer the Question

question 31

Multiple Choice

Use the following to answer the question:
-The point that identifies the proportional limit of the material whose graph of stress as a function of strain is shown below is

• A)1
• B)2
• C)3
• D)4

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Definitions:

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, represented by the bell curve where most occurrences take place near the mean.

T Distribution

A distribution of probability applied to infer parameters of a population when the sample size is limited and the population's variance is not known.

Degrees Of Freedom

A statistical concept used to determine the number of independent pieces of information when estimating a parameter or fitting a model to data.

Normal Distribution

A bell-shaped frequency distribution curve, where most occurrences take place in the middle of the range and fewer occur on either side.