19. Quiz: Shape and Outliers (What's the Impact?)
Mean vs. Median
QUIZ QUESTION::
Match the distribution shape with the correct relationship in comparing the mean to the median.
ANSWER CHOICES:
Shape |
Comparison |
---|---|
Right-skewed |
|
Left-skewed |
|
Symmetric |
SOLUTION:
Shape |
Comparison |
---|---|
Symmetric |
|
Right-skewed |
|
Left-skewed |
Which are true?
SOLUTION:
- Normally distributed data must have a mean equal to the median.
- Histograms and box plots are both used to plot quantitative data. They cannot be used to plot categorical data.
- A box plot relates directly to the 5 number summary.