Applied Statistics - 3.5 - Comparing Data

Question 1

When comparing data sets, what can you comment on?

Answer 1

1 measure of location and 1 measure of spread

Question 2

How to compare data?

Answer 2

Comment on:
- Interquartile range
(less/more precise?)
- Median
(On average has a higher/lower____)
-Outliers
-Positively/Negatively skewed

Question 3

What 2 combinations of measures of spread and location in a data sets can you not compare?

Answer 3

1. Median & Standard Deviation
2. Mean & Interquartile Range

Question 4

What combination of measure of spread and location should you use if data set has extreme values?

Answer 4

• Median & Interquartile Range

Question 5

What combination of measure of spread and location should you use if data set has no extreme values?

Answer 5

• Mean & Standard Deviation