Assume That a Hypothesis Test of the Given Claim Will

question 73

Multiple Choice

Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test
-A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 1 in every one thousand. Identify the type II error for the test.

• A)The error of rejecting the claim that the true proportion is at least 1 in one thousand when it really is at least 1 in one thousand.
• B)The error of rejecting the claim that the true proportion is less than 1 in one thousand when it really is less than 1 in one thousand.
• C)The error of failing to reject the claim that the true proportion is at least 1 in one thousand when it is actually less than 1 in one thousand.

Examine how changing environmental conditions, including climate change, affect biodiversity and ecosystems.

Understand the process of adaptive radiation and its role in the diversification of life.

Analyze the patterns of fossil records, including rates of origination and extinction.

Gain insight into the impact of atmospheric and oceanic changes on marine life.

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Definitions:

Research Hypothesis

A statement of inequality between two variables. See Null hypothesis.

Four Groups

A division within a study or experiment where participants are split into four distinct sets for comparison or analysis.

P < 0.05

Indicates a probability of less than 5% that the observed results occurred by chance, suggesting statistical significance in hypothesis testing.

Nonparametric Statistical Test

A type of statistical test that does not assume an underlying distribution for the data, often used when data do not meet the assumptions required for parametric tests.