A Machine Has Been Designed to Make Nails Which Are

question 161

Multiple Choice

A machine has been designed to make nails which are 8cm long with a standard deviation of 0.15cm. A sample of 48 nails is selected periodically to assess if the length is too variable from the standard of 8cm. From the sample of 48 nails, the mean is found to be 7.983cm. Assume the lengths are normally distributed.
-The test statistic is _____.

• A)-0.785
• B)-1.57
• C)-3.04
• D)1.57
• E)0.785

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Definitions:

Dominant Elite

The dominant elite describes a small group of individuals or entities that hold significant power, wealth, or influence over a larger population or a specific area of society or economy.

Poor White Men

Typically refers to economically disadvantaged white males, often discussed in socio-historical contexts regarding race, class, and political power.

Racial Divisions

The separation of people into different categories based on race, often resulting in inequality, discrimination, and social conflict.

African Methodist

Pertains to the African Methodist Episcopal Church, a historically African American denomination that was founded in 1816 in Philadelphia, Pennsylvania.