Math scores 2009 The National Center for Education Statistics (nces.ed.gov/nationsreportcard/) reported 2005 average mathematics achievement scores for eighth graders in all 50 states: a) Find the...

Math scores 2009 The National Center for Education Statistics (nces.ed.gov/nationsreportcard/) reported 2005 average mathematics achievement scores for eighth graders in all 50 states:

a) Find the median, the IQR, the mean, and the standard deviation of these state averages.

 b) Which summary statistics would you report for these data? Why?

c) Write a brief summary of the performance of eighth graders nationwide.