A Z Value of 0

question 79

Multiple Choice

A Z value of 0.72 corresponds to ______.?(Hint: Use a normal distribution table) .

• A)a probability of 0.7642
• B)a probability of -0.7642
• C)an expected value of 0.7642
• D)an expected value of -0.7642

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Definitions:

P-value Approach

A method in hypothesis testing that uses the p-value, the probability of obtaining test results at least as extreme as the observed, under the assumption the null hypothesis is true.

Critical Values

Specific points along the scale of a test statistic that delineate the acceptance or rejection of the null hypothesis.

Two-Tailed Hypothesis

A statistical test where the area of interest lies in both tails of the distribution, testing for the possibility of a relationship in both directions.

Level of Significance

A threshold used to decide whether a hypothesis test results are statistically significant.