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Terms in this set (30)
Which of the following is not a measure of variability?
measures are: range, standard deviation, variance
In order to calculate the variance, which of the following must you know?
if you know the standard deviation of a set of scores you know the variance
What is another term for variability?
spread or dispersion
What are the three tools used to assess variability?
range, standard deviation, variance
Which measure of variability is easiest to calculate?
Which measure of variability is a measure of the average distance from the mean?
What is the range for the following set of scores: 29, 48, 22, 37, 55?
What is the range for the following set of scores: 34, 14, 17, 57, 22?
What is the range for the following set of scores: 117, 249, 326, 47, 442?
If you have a lowest score of 21 and a range of 47, your highest score will be:
If you subtract the smallest number in the distribution from the largest, what type of variability is being calcuated?
In the formula for calculating the variance, what does the letter "n" represent?
Which of the following sets of scores has the greatest variability?
Which of the following sets of scores has the least variability?
Variability is a measure of how much individual scores differ from the ______________.
The sum of the deviations from the mean will always be equal to ______________.
What is obtained by squaring the standard deviation
we get rid rid of the negative sign so that when we do eventually sum them, they do not add up to 0
Which of the following is one way to represent the standard deviation?
S or SD
What is the range for the following set of scores: 10,15,12,18,19,16,12?
What is the standard deviation for the following set of scores: 10,15,12,18,19,16,12?
What is the variance for the following set of scores: 10,15,12,18,19,16,12?
What is the range for the following set of scores: 20,24,26,22,18,16,18?
What is the standard deviation for the following set of scores: 20,24,26,22,18,16,18?
What is the variance for the following set of scores: 20,24,26,22,18,16,18?
Which of the following sets of data has no variability?
the one with less change between numbers
Which of the following must also be known in order to compute the standard deviation?
If n = 24 and s = 1.56, what is the variance?
If you have a variance of 9, your standard deviation will be:
square root of 9
It is possible for a set of data to have no variability.
If you have a standard deviation of 5, your variance will be:
square of 5 x5
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