From a Population That Is Normally Distributed, a Sample of 25

question 102

Multiple Choice

From a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of $\mu$ , the proper distribution to use is the

• A)normal distribution
• B)t distribution with 25 degrees of freedom
• C)t distribution with 26 degrees of freedom
• D)t distribution with 24 degrees of freedom

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Definitions:

Original Data

The initial dataset collected or received before any processing, manipulation, or analysis has been done.

Independent Events

Events whose occurrence or outcome is not influenced by the occurrence or outcome of another event.

P(A and B)

The probability that both events A and B occur.

P(A)

The probability of event A occurring, an elementary concept in probability and statistics.