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

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

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%

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

For any normally distributed random variable with mean μ and standard deviation σ, the percent of the observations that fall between [μ − 2σ, μ + 2σ] is the closest to ______.Multiple Choice95%99.73%68%68.26%

Calculate the standard deviation of the sample quantitative data shown, to two decimal places. x 5 10.6 2 24.7 22.3 18.9 Standard deviation: