Is the study observational or experimental justify your

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An insecticide company exposes 10,000 cockroaches to its newest product, and exposes another 10,000 to their previous formula. When the test is completed, the researchers determine the mean elapsed time before a cockroach was killed by each product.

I. What is the population?
II. What is the sample?
III. Is the study observational or experimental? Justify your answer.
IV. If observational, identify ALL variables.  If experimental, identify ALL independent and dependent variables.
V. For each of the variables identified in part IV, list which of the four levels/scales of measurement was used to obtain data on these variables?
VI. Classify each of the variables identified in part IV as either attribute or numerical.

Reference no: EM13586319

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