You Plan to Take a Random Sample from a Population

question 27

Multiple Choice

You plan to take a random sample from a population of 500 items and build a 95% confidence interval estimate of the population mean.You want a margin of error no bigger than plus/minus 5.You estimate the population standard deviation to be 100.How large a sample is needed?

• A)1537
• B)452
• C)1622
• D)377
• E)1703

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Definitions:

Parietal Lobe

Part of the cerebral cortex that directs movements toward a goal or to perform a task, such as grasping an object; lies posterior to the central sulcus and beneath the parietal bone at the top of the skull.

Assembling Puzzles

The cognitive and motor activity involving fitting pieces together to form a whole picture or solve a problem.

Right Parietal

Refers to the right side of the parietal lobe in the brain, which plays a key role in processing sensory information and spatial orientation.

Left Temporal

Pertaining to the area of the brain's temporal lobe located on the left hemisphere, associated with comprehension of language, auditory perception, and memory processing.