Explain which of the three measures of central tendency (mean, median, mode) are appropriate to use for each of the two cases below. Do not work out the problem. Only express your answer and explain why you chose the answer.
a. Prices of laptops: $600, $1300, $2000, $3500
b. Candies:
Hershey's Bar®: 50 cents
M and M's®, Payday®, Twix®: 50 cents
Reese's Pieces®: 50 cents
Nestle Crunch Bar®: 60 cents