Question

Residents in a neighborhood determine the approximate number of dandelions in each yard. Then, they treat some yards with a weed-killing substance. The residents want to answer the question “About how many dandelions are in your yard?” to determine the effectiveness of the weed killer. From which group would it be best to take a sample? all residents of the neighborhood only residents who had their yards treated with weed killer only residents who did not have their yards treated with weed killer only residents who still have dandelions in their yards after treatment with weed killer

Answer 1

Answer:

it's  B I took e test but the one answer on top of me is wrong dont  her on or I mean answer I took the test it d I was t but I'll edit it if it's wrong

Step-by-step explanation:

Answer 2

The best sample should be taken from the only residents who still have dandelions in their yards after treatment with with killer.

What is scientific conclusion ?

"A conclusion is a statement based on experimental measurements and observations. It includes a summary of the results, whether or not the hypothesis was supported, the significance of the study, and future research.

A conclusion is a short paragraph that discusses the overall results of an experimental procedure and explains whether the proposed hypothesis at the beginning of the experiment was correct or not."

From the definition it is clear that the best sample should be taken from the  only residents who still have dandelions in their yards after treatment with the killer.

Hence, D is the correct option.

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