Identify the three measures of central tendency in the following distributions:
a. A1 and B1= mode, A2 and B2 = median, A3 and B3 = mean
b. A1 and B3= mode, A2 and B2 = median, A3 and B1 = mean
c. A3 and B1= mode, A2 and B2 = median, A1 and B3 = mean
d. A1 and B1= median, A2 and B2 = mode, A3 and B3 = mean
