descriptive data

Question 1

what two things are included in descriptive statistics

Answer 1

measures of tendency and measures of dispersion

Question 2

what are measures of tendency?

Answer 2

• the average
  includes mean, median, and mode.

Question 3

advantage and disadvantage of mean

Answer 3

-all raw data points are used to calc mean so more sensitive measure of central tendency
- distorted by extreme values (outliers)

Question 4

advantage and disadvantage of median

Answer 4

• easy to calculate
  -not affected by extreme outliers scores
• doesn’t include all the values in the calculation