Pocket
Money A father pays pocket money to his daughter on different days as 10, 4, 15, and 12 U.S. dollars (USD). In cents (1 USD 5 100 cents), these pocket money values are 1000, 400, 1500, and 1200.
a. Compare the mean in USD with the mean in cents; do not forget the units. Explain what multiplying each number in a data set by 100 does to the mean.
b. Compare the standard deviation in USD and in cents; do not forget the units. Explain what multiplying each number in a data set by 100 does to the standard deviation.