Quiz 12  Nonparametric statistics 1. Which condition is not required to perform a nonparametric test? a) random sampling of population b) data are.

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Slide 1

Quiz 12
 Nonparametric statistics


Slide 2

1. Which condition is not
required to perform a nonparametric test?
a) random sampling of population
b) data are normally distributed
c)


Slide 3

2. Which condition is not
necessary before conducting an
nonparametric test?
a) data must be normally distributed
or nearly
b) groups must be independent
c) data must come from random
sampling


Slide 4

3. What is the significant correlation
for a Spearman Rank r for a=0.05
and 20 pairs of values?
a) 0.438
b) 0.450
c) 0.462
d) 0.377


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4. Which is the correct test to use when
you want to compare three groups of
different participants and the data are not
normally distributed data?
a) Kruskall-Wallis
b) t-test for independent groups
c) analysis of variance
d) test of independence


Slide 6

5.
a) area under curve is equal to one
b) distribution is symmetrical
c) is skewed positively
d) it is asymptotic to the right


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6.
a) there is at least one significantly
different group
b) all groups are significantly different
c) all groups have equal means


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7. Which post hoc test is the
most conservative and has the
least power?
a) Scheffé
b) Tukey HSD
c) Bonferroni
d) Dunnett’s multiple range


Slide 9

8. Given the following SPSS output
which is the correct conclusion?
a) E different from VG
b) no differences
c) E different from G
d) VG different from G


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