Mathematics, 30.05.2021 22:30 jackrider6563

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.

survey

B.

observational study

C.

theoretical study

D.

experiment

Answers: 1

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