The standard deviation of the tap water data is 1.086. the standard deviation of the salt water data is 1.107. which explains why the standard deviation is the best measure of variability to use to compare the data?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.