The unit price is $1.19. Her error was that instead of dividing by 4 dozen (48) she just divided by 4.
Step-by-step explanation:
First to calculate the unit price you must divide the total price (57.12) by the amount of pairs they received (4*12= 48). 4 dozen is 48 since there is 12 in a dozen.
The mode of this data set shown would be 1 since it occurs the most often. The answer is that the mode of this set would be (1) since it shows up the most.
