This graph shows the number of steps Ana and Curtis each took over the course of four days. Which of the following labels best describes the y-axis values? Number of Steps per Day 12000 10000 8000 6000 رااا 4000 2000 0 1 2 3 Ana Curtis 
Steps per day 
None of the above
Day of the week 
Steps by user
                                             
                                          
                                          
                                        
											 
			                  