Data Distribution

Question 1

Normal distribution features

Answer 1

• bell shaped
• symmetrical
• mean, median & mode are the same
• tail never touches on the graph

Question 2

Pos skew

Answer 2

Greater amounts of data clustered around lower value (floor effect)

Question 3

Neg skew

Answer 3

Greater amount of data clustered around a higher value (ceiling effect)

Question 4

Mean = roughly equal to mode / median = what skew

Answer 4

Symmetrical / normal distributed

Question 5

Mean greater than mode / media = what skew

Answer 5

Positive

Question 6

Mean less than mode /median = what skew

Answer 6

Negative