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When determining the sample size, the standard deviation may not be known. Which of the following was not mentioned in your text as a way to estimate the standard deviation?
Converter Dolly
A trailer towing device that converts a semi-trailer into a full trailer, usually equipped with one or two axles.
Highway Train Combinations
Configurations of vehicles coupled together, often including a tractor unit and one or more trailers, used for transporting goods on highways.
Maximum Height
The tallest permissible or achievable height for a structure, vehicle, or component, often regulated for safety or operational reasons.
Highway Truck
A type of truck designed for long-distance transport, featuring characteristics suited for travel on highways such as higher speed capabilities and increased comfort features.
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