MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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According to the American Marketing Association, in one month, 29% of social media users were between 25 and 34 years old. If a random sample of nine adults was selected.
d. What are the mean and standard deviation for this distribution?
The mean is
--------.
(Type an integer or a decimal. Do not round.)
The standard deviation is
--------.
(Type an integer or decimal rounded to two decimal places as needed.)
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