Free points but w a surprise

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Aline passes through 3,7 and 6,9 what equation represents the line

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?