about what percentage of the data lies within 2 standard deviations of the mean in a normal…
about what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?\n47.5%\n68%\n95%\n99.7%
Answer
Explanation:
Step1: Recall empirical rule
In a normal distribution, the empirical rule (68 - 95 - 99.7 rule) gives the percentages of data within certain standard - deviation ranges of the mean.
Step2: Identify range for 2 standard deviations
The rule states that about 95% of the data lies within 2 standard deviations of the mean.
Answer:
C. 95%