In a normal distribution, what percentage of data lies within one standard deviation of the mean? Group of answer choicesApproximately 95%Approximately 99.7%Exactly 100%Approximately 68%

In a normal distribution, how much of the data falls within one standard deviation?99.7%95%100%68%

n a normal distribution, what percentage of data falls within one standard deviation of the mean? 25% 50% 68% 95.5%

What percentage of scores falls within three standard deviation of the mean?Choose one99.5%50%95%65%

How much data lies between ± 2σ of the standard deviation of the mean? 93% 95% 95.5% 96.1%

Use the Empirical Rule to answer the question.In a normal distribution, what percent of the data lie in the following?(a)within 2 standard deviations of the mean %(b)more than 1 standard deviation above the mean %(c)between 1 standard deviation below the mean and 2 standard deviations above the mean