Interval Estimates Flashcards
1
Q
Interval estimates
A
The spread of data - how wide is your drv3a and what values do most of the data fall between: the range, the interquartile range, variance and standard deviation
2
Q
The range
A
The distance between the largest value and smallest - least informative measure
3
Q
What is the range 7,1,2,6,3,4,3,4,3,4,5,4,7,5,6,5,5,4,5,6,5,6,3,2,5
A
Max(7) - min(1) = 6
4
Q
Variance
A
Variance is written as s2 (sigma- squared) or Var
