Am I correct that it is D or incorrect? At the same time each day, a researcher

Question

Am I correct that it is D or incorrect?

At the same time each day, a researcher records the temperature in each of three greenhouses. The table shows the temperatures in degrees Fahrenheit recorded for one week Greenhouse 1 Greenhouse 2 Greenhouse 3 71 69 72 72 65 73 71 78 75 73 73 72 71 70 62 79 68 71 72 How are the analysis of variance results affected it the same constant is added to every one of the original sample values? The test statistic increases by a factor of the constant. The test statistic increases by the value of the constant. The test statistic is divided by the value of the constant. The results are not affected.

Explanation / Answer

Yes, Option D is correct. By adding a constant to all the values, the individual means and grand mean will increase by that factor but there would not be any affect on results because F value will be the same.

Option D is correct.

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