STATISTICAL TECHNIQUES AND TOOLS
ONE WAY ANOVA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You obtained a significant test statistic when comparing three treatment groups in a one-way ANOVA. In words, how would you interpret the alternative hypothesis HA?
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All of the three treatments group have different effects on the mean response.
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Exactly two of the three treatment groups have the same effect on the mean response.
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At least one treatment groups are different from each other in terms of their effect on the mean response
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All of the above
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None of the above
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Explanation:
Detailed explanation-1: -In ANOVA, the null hypothesis is that there is no difference among group means. If any group differs significantly from the overall group mean, then the ANOVA will report a statistically significant result.
Detailed explanation-2: -Assumptions for One-Way ANOVA Test There are three primary assumptions in ANOVA: The responses for each factor level have a normal population distribution. These distributions have the same variance. The data are independent.
There is 1 question to complete.