You Want to Test Whether or Not the Following Sample

question 30

Multiple Choice

You want to test whether or not the following sample of 30 observations follows a normal distribution. The mean of the sample equals 11.83 and the standard deviation equals 4.53. ​ The expected frequency in the 3rd interval is

• A) 3.
• B) 4.
• C) 5.
• D) 10.

Describe the evolution of U.S. economic growth and development over time.

Explain the significance of infrastructure development, such as railroads, on national economics.

Understand the role of key figures and innovations in the development of various industries.

Recognize the regional economic disparities and their historical causes and implications.

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Definitions:

Newspaper

A printed or digital publication regularly issued, containing news, articles, advertisements, and other information of public interest.

Subscribers

Individuals or entities that formally agree to receive services, products, or periodic publications.

Survey

A technique for gathering information from a specific group of people to obtain insights and data on different subjects of interest.

Centers For Disease Control

A national public health institute in the United States that focuses on preventing and controlling diseases, injuries, and disabilities.