Mathematics, 16.12.2020 04:40, Dweath50

To determine which window cleaner is most effective, Thad washes half of the windows in his house with one brand and the other half with a different brand. He then compares the results to draw a conclusion about which cleaner is most effective. What kind of statistical study did Thad conduct?

A.
experiment
B.
theoretical study
C.
survey
D.
observational study

Answers: 3

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To determine which window cleaner is most effective, Thad washes half of the windows in his house wi...