A Sample of 12 Items Yields an Average Weight Of \bar

question 126

Essay

A sample of 12 items yields an average weight of $\bar { x }$
= 48.5 grams and a standard deviation of s = 1.5 grams.Assuming weights follow a normal distribution,construct a 90 percent confidence interval for the population mean weight.

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Definitions:

Slave Trade

The historical trade involving the capture, transport, and sale of human beings as slaves, particularly associated with the transatlantic trade from Africa to the Americas from the 16th to the 19th centuries.

Africans

Refers to the people native to the African continent, encompassing a wide range of cultures, ethnicities, and nations.

Americas

A collective term for the continents of North America and South America, including all its countries and regions.

Negros De Ganhos

A term from Brazilian history referring to enslaved Africans who were allowed to work for their own earnings, albeit under conditions set by slaveholders.