Exam 3: Statistical Parameters: Measures of Central Tendency and Variation

The most important reason that the median is preferred to the mean is

The following is a list of annual advertising expenses (in dollars) for a group of states' mental health centers. 1500 11,000 7500 800 600 2350 3000 3800 500 6000 8000 500 1750 1250 50 3400 9000 890 1600 2200 -What is the range of the previous advertising expenses?

The following is a list of annual advertising expenses (in dollars) for a group of states' mental health centers. 1500 11,000 7500 800 600 2350 3000 3800 500 6000 8000 500 1750 1250 50 3400 9000 890 1600 2200 -The lowest advertising expense in the previous set was $50.Would you consider that expense

The following is a list of annual salaries (in dollars) for a group of mid-level managers in a large company. 98,000 115,000 75,000 88,000 65,000 107,000 72,000 71,000 88,000 57,000 88,000 73,000 97,000 85,000 87,000 73,000 93,000 88,000 71,000 65,000 87,000 83,000 75,000 44,000 81,000 76,000 81,000 89,000 -What is the mean of the salaries (rounded to a whole number)?

What is the mean (rounded to two decimal places) of the following set of first-time statistics students' ages: 18, 18, 18, 19, 19, 19, 19, 20, 22, 22, 23, 23, 23, 24, 25, 26, 26, 29, 33, 64?