Quiz 4

A  Are calculated using z scores, translate an entire dataset to z scores, one by one, form a normal distribution, and are normalized scores

B  Translate an entire dataset to z scores, one by one

C  Form a normal distribution

D  Are normalized scores

E  Are calculated using z scores

A  An estimate of the size of the ordinal variance

B  A variation ratio of the median to the range

C  The mean of the variance deviance

D  A proportion of variance away from the mean

E  A # of standard deviations away from the mean

A  50% are on each side of the median

B  For any range, we can estimate p

C  95% of cases fall within *about* 2 standard deviations

D  100% of valid cases are “under the curve”

E  68% are on each side of the mean

A  Range

B  Median

C  Mean

D  Mode

E  Standard Deviation

A  Declare invalid values as Missing values in Variable View.

B  Worry about, think about, or say anything about missing variables

C  Check for invalid values under the “Valid” heading in freq tables

D  Be aware of the number of missing cases in frequency tables

E  Pay attention to lectures