For a One-Tail Hypothesis Test, the Test Statistic Is Z

question 75

Short Answer

For a one-tail hypothesis test, the test statistic is z = -2.10. What is the p-value?

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Definitions:

T-statistic

A type of statistic used in hypothesis testing when the sample size is small and the population variance is unknown, it is based on the Student's t-distribution.

Z-score

A statistic that tells you how many standard deviations a given value is from the mean.

Sample Mean

The average value of a sample set, calculated by summing all observations and dividing by the number of observations.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples drawn from a specific population.