Using Measures of Center and Measures of Variability

Find the mean:

28, 18, 19, 18, 17

Find the median:

5, 6, 3, 9, 0, 4, 1, 2, 7

Find the mode:

5, 0, 9, 9, 3, 0, 5, 5, 4

What is the range?

Identify the outlier for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

At a pet store, the lizards in aquarium A have a mean length of 13 cm and a range from 9 cm to 15 cm. In aquarium B, the lizards have a mean length of 15 cm and a range from 14 cm to 17 cm. Which statement BEST compares the lizards in the two aquariums?

The annual salary for a computer technician at Company A ranges from $41,000 to $63,000, with a mean of $58,000. At Company B, the annual salary for the same position ranges from $45,000 to $$65,000, with a mean of $56,000. Which statement is TRUE when comparing the salaries of computer technicians for the two companies?

Brad and Tom are comparing their classes' scores on a math test. Both of their classes had mean scores of 80 on the test, but Brad's class had a range of 6 while Tom's class had a range of 30. If the highest possible score was 100, which class had the LOWEST score in it?

How do you feel about using measures of center to compare data?