Question
In a hearing test, randomly selected subjects estimate the loudness (in decibels) of a sound, and the results are (mean = 70): 68, 67, 70,
In a hearing test, randomly selected subjects estimate the loudness (in decibels) of a sound, and the results are (mean = 70): 68, 67, 70, 71, 68, 75, 68, 62, 80, 73, 68. What is the standard deviation?
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Precalculus A Right Triangle Approach
Authors: Jogindar Ratti, Marcus S McWaters
2nd Edition
0321899814, 9780321899811
