quiz 4 Flashcards
(5 cards)
If a z-score has _____ sign it tells you that the score is below the mean and on the left-hand side of the distribution.
A negative
In relation to the two parts of a z-score, the sign tells us how far away the score is from the center or mean.
False
Which of the following is NOT a use of a z-score?
Compare scores from different distributions.
Combine information from different measures that are on different scales.
To see where in the distribution a score falls.
All are uses of a z-score and all are correct
Which of the following is NOT a feature of a normal distribution?
The mean, median, and mode are equal.
The area under the normal curve is equal to 1.0.
They are defined by the mean and standard deviation.
All are features of a normal distribution and all are corect
z-scores can tell us how far a score is away from the mean in units of standard deviations and in what direction.
True
