Questions 1 - 4 refer to the graph below. At Markwood Elementary the 2nd graders collected data on the number of siblings each student had. There were 64 students polled and the results are plotted in the graph below. 16 14 Frequency 0 1 2 3 4 5 6 7 8 9 10 11 12 Number of Siblings 1. This distribution is a) Symmetric b) Uniform c) Skewed right d) Skewed left O a Ob O c O d