Central Tendency and Variability

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The mean of {2, 2, 2, 2) is
2
The AAD of {2, 2, 2, 2} is
0
The average distance scores are from the mean
The AAD
The distance one score is from the mean
The absolute deviation score
The AAD of {1, 2, 3, 4, 5} is
6/5
The AAD of the numbers is your population bag is
6/5
If the distribution is skewed to the right the mean is _________ than the median
Larger
We would use the _____________ to describe the location of a distribution of survival scores
Median
Which of the measures of central tendency is most influenced by extreme scores
The mean
The AAD of {1, 5, 9} is
8/3
The AAD of {1, 9} is
8/2
The AAD of {1, 5, 9} is _____________ than the AAD of {1, 9}
Smaller
The farther apart a set of numbers the _____________ the AAD
Larger
The Variance of {1, 5, 9) is
32/3
The variance of the numbers in your population bag is
2
The SD of the numbers in your population bag is
1.414
If we add a value of "3" to your population bag, the mean will ______________ and the SD will _____________
Stay the same, go down
The sum of squares divided by N
The variance
The square root of the average squared distance scores are from the mean
The standard deviation
The most likely value we can get
The mode