A Normal Population Has a Standard Deviation of 15

question 95

Short Answer

A normal population has a standard deviation of 15. How large a sample should be drawn to estimate the population mean to within 1.5 with 95% confidence?

---

Definitions:

Nonsense Syllables

A string of sounds that do not form meaningful words, used in psychological experiments to study memory and learning processes, avoiding the influence of prior knowledge.

Morphemes

The smallest grammatical units in a language that carry meaning.

Phonemes

The smallest units of sound in a language that can distinguish one word from another.

Sound Categories

The classification of sounds into groups based on shared characteristics, which aids in language comprehension and production.