Which data measurement scales typically use nonparametric tests of significance? (Select all that apply.)
a. Nominal
b. Ordinal
c. Interval
d. Ratio
ANS: A, B
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Correct Nonparametric tests of significance are used when data are measured on a nominal or ordinal scale.
Nonparametric tests of significance are used when data are measured on a nominal or ordinal scale.
Incorrect Parametric statistics are used when data are scaled at the interval or ratio level scale.
Parametric statistics are used when data are scaled at the interval or ratio level scale.
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