Calculate the 95% Confidence Interval for a Sample with a Mean

question 24

Multiple Choice

Calculate the 95% confidence interval for a sample with a mean = 2.50 and a population standard error of the mean = .20.

• A) 95% CI = 2.50 ± .39
• B) 95% CI = 2.50 ± .33
• C) 95% CI = 2.50 ± .52
• D) 95% CI = 2.50 ± 2.16

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Definitions:

Wilhelm Wundt

considered the father of experimental psychology, he was a German physiologist who established the first psychology laboratory at the University of Leipzig in 1879.

Paul Broca

a 19th-century French physician and anatomist known for his research in the area of the brain responsible for producing language, now known as Broca's area.

Central Sulcus

A prominent landmark of the brain's surface, dividing the frontal lobe from the parietal lobe.

Frontal Lobes

The regions of the brain located at the front, responsible for voluntary movement, expressive language, and managing higher level executive functions.