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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The mean household income,in dollars,must be estimated for a town that is divided into three districts.The relevant information is shown in the table.
A 95% confidence interval for the population mean that extends $550 on each side of the sample estimate is required.
-Determine how many sample observations are needed under the optimal allocation scheme.
Stromatolites
Layered sedimentary formations created by the growth of microbial mats, among the oldest evidence of life on Earth.
Organic Molecules
Molecules that contain carbon and are typically found in living systems, including carbohydrates, proteins, lipids, and nucleic acids.
Miller
A term often associated with the Miller-Urey experiment, which simulated early Earth conditions and demonstrated that organic compounds could be formed from inorganic substances.
Herbaceous Plants
Plants that do not have woody stems and typically die back to the ground level at the end of the growing season.
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