A quick way to check the data once it has been entered is to
a. compare all of the data with the original questionnaires.
b. wait until a statistical analysis is completed before checking the data.
c. conduct a frequency distribution.
d. conduct a chi-square analysis.
Question 2
Nominal variables, such as gender and ethnicity, are usually entered into a data analysis program as
a. letters corresponding to each level of the variable.
b. a ratio scale.
c. numbers corresponding to each level of the variable.
d. words such as male, female, black, and white.
The cladistic approach from molecular genetic data
Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the
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