# responses

Response 1:
A one way ANOVA is a hypothesis test it allows us to assess the likeliness of three or more means all together and also by using one factor or independent variable ANOVA. The one way ANOVA is associated with three or more stages or circumstances of one factor, and the number of observations does not need to be the same for each cluster. One way ANOVA needs to satisfy two values of design of research and that is duplication and randomization (S.S., 2017).
Another method used in which the interrelationship between factors, manipulating variables is studied for effective decision making is known as a two way ANOVA. A two way ANOVA has two independent variables, and associates the effect of various level of two factors. The number of observations should be identical or the same for each cluster in a two way ANOVA. Two way ANOVA must meet all three values of design of research and that is duplication, randomization, and local control need to be fulfilled (S. S., 2017).
References
S.S. (2017, September 23). Difference Between One Way and Two Way ANOVA (with Comparison Chart). Retrieved from https://keydifferences.com/difference-between-one-way-amd two-way-anova.html.
Response 2:
A two way ANOVA is a statistical test that tests whether differences exist in population means on two independent factors. A one-way ANOVA  is a statistical test that looks at differences in population means when it comes to one independent factor. An example of a one-way ANOVA would be looking at time sleeping (3 hours, 6 hours, and 9 hours) and its effects on test scores. The independent factor would be time sleeping with the three means gathered from these groups being the item tested. A two-way ANOVA example would be time sleeping and time studying and its effect on test scores. The independent factors would be time sleeping and time studying and whose means would be gathered and tested to see an effect that exists for either of these factors on test scores. What makes a two-way ANOVA difficult to interpret is the many main effects and interactions that can exist in a simple two-way ANOVA. This means more f-tests are needed to test three separate null hypotheses: one for the time sleeping, one for the time studying, and one for the interaction that may exist between the two factors in questions. The procedures needed to solve the f-tests in a two-way ANOVA are more challenging as well because we are not just solving three sum of square but three additional ones as well: SS column, SS row, and SS interaction which are all needed to find the Mean Squares and F ratios in a two-way ANOVA
References:
Response 3:
there are any important differences between the means of two or more unrelated groups. Typically they are only used with a minimum of three groups.
A one way ANOVA test will have one independent variable, while a two way ANOVA test will have two independent variables. An example of the independent variable in a one-way test could be the brand of cereal used in the experiment. A two-way test would use two independent variables, for example time spent studying for a test and any prior knowledge a person may have had going into the test.
It’s difficult to interpret two-way ANOVA tests because it’s taking into consideration a least three different things that could have influenced the outcome of an experiment. So not only do you have to analyze all three outcomes, you also have to consider the ways that each variable could have influenced the other variables, and what that means in terms of the outcome of the experiment.

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