Flashcards in Standard Scores Deck (11)
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1
Q
little z score
A
z=individual score - mean/standard deviation
2
Q
standard score: the transformation of postion of __________ into equivalent __________ units from the mean score.
A
indivudal score; standard deviation
3
Q
what are the 2 requirements for use of z scores?
A
- an assumption of normal distributions
2. interval or ratio data
4
Q
advantages of z scores?
A
a comparison of individuals performance across multiple measures
5
Q
big Z score
A
10z+50
6
Q
stanine
A
2z+5
7
Q
what are the measures of central tendency?
A
mean, median, mode
8
Q
measures of variability?
A
standard deviation, range and truncuated range
9
Q
measures of association?
A
correlation of coefficients
10
Q
what are the 2 ways individual scores can be reported?
A
percentiles & standard scores
11
Q
forms of standard scores are?
A
z, Z & stanines