lovejuless99
lovejuless99 lovejuless99
  • 22-02-2017
  • Mathematics
contestada



In a normal distribution what percent of values fall within one standard deviation of the mean?
19.1%
15%
30%
68.2%

Respuesta :

jimthompson5910 jimthompson5910
  • 22-02-2017
Roughly 68% of the distribution is between z = -1 and z = +1, ie within 1 standard deviation of the mean. This is from the 68-95-99.7 rule or better known as the Empirical Rule. 

The final answer is choice D) 68.2%
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tylittle85p69p8h tylittle85p69p8h
  • 15-11-2018

if a normal distribution, what percentage of the data falls within 2 standard deviation of the mean.... c. 95% apex..

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