Question

A consumer research company is interested in determining if a certain company's new refrigerator model is more efficient than the older model. Researchers decide to investigate the claim that the new model uses 10% less electricity than the older model for the same cooling load. To collect data, the company obtains 20 random refrigerators for each model. They are all placed in one building well separated from each other and are loaded with 50 bottles of water. The electricity usage is monitored for one month. How can the results be generalized? Select the correct answer below: O The conclusions should be applicable to any unit of the new model as compared to any unit of the old model. The conclusions should be applicable to all refrigerators made by the same manufacturer. The conclusions only apply to the sample that was obtained for the new models as compared to the sample that was obtained for the old model. manufacturer. any O The conclusions should be valid for new model refrigerators from

Answer 1

The first option is correct.

The results can be generalized by making the conclusions of the research applicable to any unit of the new model as compared to any unit of the old model as long as both models are made by the same manufacturer they studied.

Explanation:

Since the samples were picked randomly for both the new and old models in question, the results should apply to both the new and old model refrigerators from the manufacturer that was studied. The conclusions should then generalize to any unit of the new and old models of refrigerators from that manufacturer.

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