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Earn +20 ptsQ: What is the formula for z scores?
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What is one advantage of transforming X values into z-scores?
True or False, One major advantage of transforming X values into z-scores is that the z-scores always form a normal distribution
The proportion of scores less than z equals 0.00 is?
0.50
What is the mean of the following test scores 2 2 3 4 9?
4 The formula is sum of scores divided by number of scores.
What z-score value separates the highest 40 percent of the scores from the rest of the distribution?
0.2533
Under the normal curve if the mean of the distribution of raw scores is equal to 68 then its equivalent z score is equal to?
The z score for the mean is always 0.
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