A research facility is evaluating five different processes of extracting starch from corn flour. The percent yield...

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Statistics

A research facility is evaluating five different processes ofextracting starch from corn flour.

The percent yield of starch is the response of interest. Thedata is shown below:

Process   Starch_Yield
1   75.9
1   72.3
1   64.7
1   68.7
1   73.4
1   77.7
2   77.7
2   74.9
2   78.3
2   77.3
3   63.5
3   60.4
3   65.3
3   62.6
3   59.3
4   61
4   64
4   55.9
5   76.3
5   75.3
5   71.5
5   81

a) Perform an ANOVA test and report the F value and use 2decimal places

b) Are the processes significantly different?

c) Which process(es) would you pick?

Solve using R studio and post code

Answer & Explanation Solved by verified expert
4.0 Ratings (644 Votes)
Solution create a dataframe df1 with given data use aov function in R to fit anova summary function to get ANOVA table Tukey function to know which group means are different Rcode df1 readtableheader TRUE text Process    See Answer
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