When using the Friedman test to test the following data to determine whether there is a significant difference between treatment levels with α =0.05, the appropriate conclusion is ___. A)reject H₀: the block populations are equal B)do not reject H₀: the block populations are equal C)reject H₀: the treatment populations are equal D)do not reject H₀: the treatment populations are equal E)that the test is inconclusive

Question

Quizplus · Accepted Answer

The Friedman test is used to determine whether there are differences between treatment levels in a repeated measures design where the data is not normally distributed. The null hypothesis of the test is that there are no differences between the treatment populations. If the p-value is less than the significance level (α), then the null hypothesis is rejected, indicating that there is a significant difference between treatment levels. In this case, the appropriate conclusion is to not reject H₀, meaning that there is no significant difference between treatment populations at the α=0.05 level. Therefore, the best choice is D, as it accurately reflects the results of the test.

When Using the Friedman Test to Test the Following Data