Which of the following is the equation of exchange? a. upper m times upper v equals upper p times upper y. b. upper m times upper y equals upper p times upper y. c. startfraction upper m over upper v endfraction equals startfraction upper p over upper y endfraction . d. upper m times upper p equals upper v times upper y.

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric