The Following Table Identifies the Real Value of Exports,imports,and Gross

question 143

Multiple Choice

The following table identifies the real value of exports,imports,and gross domestic product (GDP) for the U.S.economy,measured in billions of dollars for a series of years.Use the table to answer the following questions:

-According to the table,across the 60-year period,the real value of imports ________ and the real value of imports as a percentage of GDP ________.

• A) increased; decreased
• B) increased; increased
• C) increased; fluctuated up and down
• D) decreased; increased
• E) fluctuated up and down; fluctuated up and down

Differentiate between one-tailed and two-tailed tests and their applications.

Understand the consequences of Type I and Type II errors in hypothesis testing.

Understand the concept of the power of a test and how it is affected by various factors.

Understand the concept of bond angles in molecular structures.

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Definitions:

Paradigm Shift

A fundamental change in the basic concepts and experimental practices of a scientific discipline.

Falsifiable Hypothesis

A hypothesis that can be demonstrated to be false by an experiment or observation, a critical aspect of the scientific method.

Prokaryotes

Single-celled organisms that lack a nucleus and membrane-bound organelles, including bacteria and archaea.

Bacteria

Prokaryotic organisms that have peptidoglycan in their cell walls; most are decomposers, but some are parasites and others are autotrophs. Bacteria is the name of one of the two prokaryotic domains. Compare with archaea.