A Simple Random Sample of 36 Items Resulted in a Sample

question 126

Short Answer

A simple random sample of 36 items resulted in a sample mean of 40 and a standard deviation of 12. Construct a 95% confidence interval for the population mean.

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Definitions:

Density

The mass per unit volume of a substance, commonly expressed in grams per cubic centimeter or kilograms per cubic meter.

Volume

Volume refers to the amount of space that a substance or object occupies, or that is enclosed within a container, usually quantified in cubic units.

Mass

A quantification of the volume of matter present in an object, often stated in terms of kilograms or grams.

Density

The mass per unit volume of a substance, often measured in grams per cubic centimeter or kilograms per cubic meter.