1. The waiting times of eight (8) patients to be seen in a medical office, expressed in minutes were as follows: 34, 56, 48, 29, 33, 33, 44, 51, 65. What is the range, variance and standard deviation?

2. The ages of the top 10 Hollywood actresses are as follows: 37, 48, 56, 66, 55, 60, 52, 54, 48, 48, 69. Using the top 10 actresses' ages to calculate what is the interquartile range?

3. The following sample data are presented: 1.8, 1.9, 1.8, 2.4, 5.1, 3.1, 5.5, 5.1, 8.3, 13.7, 5.3, 4.9, 3.7, 3.8, 9.8. Which of the following numbers are the mean, mode, median, mean, median axis, range, variance and standard deviation?