Assignment
Active
Choosing Representative Samples
Linda randomly surveyed 20 teachers at her school
about whether they prefer chalkboards or dry erase
boards. She repeated the survey three times with three
different sets of teachers.
Which pair of Linda's samples seems to have the
lowest variability and, therefore, are representative
samples?
Chalk
Dry Erase
samples 1 and 2
samples 1 and 3
samples 2 and 3
none of the samples
QO
Sample 1
12
Sample 2
11
19
Sample 3
✓
Done

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