SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
-Referring to Scenario 2-5,if 100 calls were sampled,of ----them would have lasted 20 minutes or more.
Definitions:
P-value
The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is correct.
Null Hypothesis
A statement used in statistical analysis that proposes there is no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.
Economic Concerns
Issues or considerations related to the economy, including factors like inflation, unemployment, and fiscal policy.
Test Statistic
A calculated value from sample data used to make a decision about the validity of a hypothesis in statistical hypothesis testing.
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