Question 1 10 out of 10 points
Central tendency and variability are two terms that mean the same thing.
? Question 2 10 out of 10 points
The mean must have a value equal to one of the scores in the distribution.
? Question 3 10 out of 10 points
The mean is more often used for inference than the median.
? Question 4 0 out of 10 points
The formula for the population standard deviation is
? Question 5 10 out of 10 points
Measures of variability quantify the extent of dispersion in a set of scores.
? Question 6 10 out of 10 points
Of the measures of central tendency, the mean is the least subject to sampling variations.
? Question 7 10 out of 10 points
By changing the value of one score in a sample this will necessarily cause the mean to change.
? Question 8 10 out of 10 points
= 0
? Question 9 0 out of 10 points
For data that are not normally distributed, the standard deviation will sometimes be negative.
? Question 10 0 out of 10 points
The median is less subject to sampling variation than the mean.
