? Question 1 0 out of 10 points
Central tendency describes the central location of the set of scores.
? Question 2 0 out of 10 points
If a group of 100 people has an average IQ of 107 and a group of 50 people has an average IQ of 101, the average IQ of all the people is 105.
? Question 3 10 out of 10 points
The variance is the square root of the standard deviation.
? Question 4 0 out of 10 points
In a positively skewed distribution, the mean has a higher value than the median.
? Question 5 10 out of 10 points
A deviation score is the same thing as a raw score.
? Question 6 10 out of 10 points
In general, ? X2 = (? X)2
? Question 7 0 out of 10 points
The median and the 50th percentile rank score will always have the same value.
? Question 8 10 out of 10 points
The overall mean does not take into account the different number of subjects in each group.
? Question 9 10 out of 10 points
The equation for standard deviation is the same regardless of whether the scores are of a sample or a population.
? Question 10 0 out of 10 points
It is if one to have a set of scores with three different values for central tendency.
