5.3.Understanding Interaction Effects?

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Which effect is more common in the real-world problems/scenarios?

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Depends on the situations/scenarios

Main effects

Both the main and the interaction effects are equally common

Interaction effects

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A strong interaction plot will produce a

10 points

Cross (two lines intersecting each other)

Exponentially increasing curve

Straylight line intersecting the origin

Parallel lines

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An interaction plot between two factors, including A and B is created by

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Plotting the average response in the y-axis at each level of the factor B with factor A in the x-axis

Any of the other choices are correct to produce an interaction plot

Factor A is plotted in the x-axis and B is plotted in the y-axis

Factor A is plotted in the x-axis and the response is plotted in the y-axis

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[DATA DOEM 5.2] The effect of water and sunlight on the plant growth rate was measured on a scale of 0 (no growth) to 10 (highest level). If the sunlight factor increases from low to high level, what is the increase in growth at the low level of water?

10 points

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10 points

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[DATA DOEM 5.2] The effect of water and sunlight on the plant growth rate was measured on a scale of 0 (no growth) to 10 (highest level). If the sunlight factor increases from low to high level, the average growth due to the water factor can be calculated as?

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[DATA DOEM 5.2] The effect of water and sunlight on the plant growth rate was measured on a scale of 0 (no growth) to 10 (highest level). The interaction effect is calculated as

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[DATA DOEM 5.2] The effect of water and sunlight on the plant growth rate was measured on a scale of 0 (no growth) to 10 (highest level). How is the interaction effect between the water and sunlight factors interpreted?

10 points

The average response increase by 2 at the high level as compared to the low level of water if the sunlight treatment/factor is changed from the low level to high level

The average response increase by 5 at the high level as compared to the low level of water if the sunlight treatment/factor is changed from the low level to high level

The average response increase by 4 at the high level as compared to the low level of water if the sunlight treatment/factor is changed from the low level to high level

The average response increase by 3 at the high level as compared to the low level of water if the sunlight treatment/factor is changed from the low level to high level

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