Use the following scores for a kindergarten readiness test:

Develop a frequency distribution, histogram, and frequency polygon. What do you notice about the data distribution? Compute the following measures of central tendency and variability: Mean = _____ Median = _____ Mode = _____ Range = _____ Interquartile range = _____ Standard deviation = _____ Assuming the national mean for the kindergarten readiness test is 8 and the standard deviation is 2, how did this class do compared with the national sample?