An experiment was conducted to aid in developing a product that can be used as a

Question

An experiment was conducted to aid in developing a product that can be used as a substrate for making 36 ribbons. The experiment was designed to investigate the effects of base polymer and additive on the tensile strength of the resulting ribbon. There are two factors of interest: (1) base polymer: Mylar, nylon and polyethylene and (2) additive: c1, c2, c3 and c4. Use the ribbon data file posted on Canvas to do an appropriate analysis.

(2 points) Calculate the degrees of freedom for each term including the residual. Make sure to show work on how you calculated the degrees of freedom.

Source

Degrees of Freedom

Note: The sample size is 36

(3 points) Obtain the ANOVA table in R and confirm the degrees of freedom you reported in part (d). Should the main effects or simple effects be analyzed?

(6 points) Based on your answer above, report the appropriate results. If the main effects are appropriate, specify the difference in tensile strength for the polymer and/or additive along with the corresponding 95% confidence intervals. If the simple effects are appropriate, provide the difference in tensile strength at a given level of the additive along with the corresponding 95% confidence intervals.

Source

Degrees of Freedom

Explanation / Answer

In this question, the data did not include. Hence, we can not proceed remaining parts of the question.

Source Degree of freedom Base Polymer 2 Additive 3 Interaction 6 Error 24 Total 36

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