Description Format Details Source Examples
Digits from social security numbers and student selected random numbers
A data frame with 150 observations on the following 7 variables.
Random
Four digit random numbers picked by a
sample of students
RND1
First digit
RND2
Second digit
RND3
Third digit
RND4
Fourth digit
SSN8
Eighth digit of social
security number
SSN9
Last digit of social security number
A sample of students were asked to pick a random four digit number. The numbers are given in the dataset, along with separate columns for each of the four digits. The data also show the last two digits of each student's social security number (SSN).
In class-student surveys from several classes.
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