Data Presentation Flashcards
1
Q
What are the 3 measures of central tendency?
A
- Mean
- Mode
- Median
2
Q
What are the 4 measures of spread?
A
- Range
- Interquartile range
- Standard deviation
- Variance
3
Q
What does a small interquartile range (IQR) show?
A
Consistent data
4
Q
Formula to find the mean
A
x̄ = Σx / n
mean = sum of x / number of terms