The Normal Distribution Activity Standard Mean and Standard Deviation Calculator Results For Data Set 2 Data Set 1 Data Set 2 Data Set 3 Mean = 84 Variance = Standard Deviation = 1.209 10 8 5 1. Sketch the first bell curve by showing the mean and standard deviation. 9 9 3 3 8.5 2 E 17 2 5 8 8 2 2. What is the data value (raw score) associated with a standard score of 1.1? Determine the 3 percentage less than this score. Draw the curve and show your complete solution. 6 11 3 7 8 10 9 3 7.5 2 9 5 11 8 3 10 3. What is the data value (raw score) associated with a standard score of -0.09? Determine the 11 9.75 percentage greater than this score. Draw the curve and show your complete solution. 12 12 9 4 13 8 8 2 14 12 6 1 15 11 3.5 3 16 6 5.5 2 4. What is the range (_s x S _) of the data values that would allow 55% of the data to fall within the mean observing symmetry? Draw the curve and show your complete solution. 17 6 11 2 18 10 6.5 19 9 9 3 20 9 5. What is the variance of this data set? X 8.75 8.16 2.55 6. Are there any outliers with this data set? (Outliers refer to data points that lie beyond 3 2.0995 0.8870 S 1.2729 standard deviation from the mean)