Distributions

Question 1

What are the three types of distribution?

Answer 1

Normal
Positively skewed
Negatively skewed

Question 2

What is the explanation of normal distribution?

Answer 2

• The graph will almost look symmetrical
• The mean, median and the mode of the distribution are the same
• Most scores occur around the middle point

Question 3

What is the explanation of positively skewed distribution?

Answer 3

• high point of the curve to the left
• Mode - Median - Mean
• When most of the scores appear below the mean
• Mean is not very representative
• Mean shouldn’t be used as a sole measure of tendency

Question 4

What is the explanation of a negatively skewed distribution?

Answer 4

• high point of the curve to the left
• Mean-median-mode
• Most of the scores appear above the mean
• Mean is not very representative
• Mean shouldn’t be used as a sole measure of tendency