The National Assessment for Educational Progress (NAEP) is a U.S. government organization that assesses the performance of students and schools at all levels across the United States. The following table presents the percentage of eighth-grade students who were found to be proficient in mathematics, and the percentage who were found to be proficient in reading in each of the 8 states.

State	% Proficient in Reading	% Proficient in Mathematics
California	62	60
Texas	71	76
New York	77	71
Florida	66	67
Illinois	76	71
Ohio	77	77
Georgia	66	65
North Carolina	73	75

a) Use EXCEL to construct a scatterplot of the percentage proficient in reading (x) versus the percentage proficient in Mathematics (y). Label the chart and axes titles.

b) Display the least-squares regression line on the scatterplot for predicting the percentage proficient in Mathematics from the percentage proficient in reading.