Mathematics, 03.06.2020 21:57 simionriley4191

Please answer quick!! 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.

A 3-column table with 3 rows. Column 1 has entries Sample 1, Sample 2, Sample 3. Column 2 is labeled Chalk with entries 12, 9, 1. Column 3 is labeled Dry Erase with entries 8, 11, 19.

Which pair of Linda’s samples seems to have the lowest variability and, therefore, are representative samples?
A. Samples 1 and 2
B. Samples 1 and 3
C. Samples 2 and 3
D. None of the samples

Answers: 2

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Please answer quick!! Linda randomly surveyed 20 teachers at her school about whether they prefer c...