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Mathematics, 24.04.2020 19:31 mrsawnser
Please use minitab for this question if necessary:Four brands of tires (A, B, C, D) are to be compared for tread wear after 24,000 miles of driving. An experiment was executed by installing four tires of each brand in four cars randomly and the following tread wears were measured in millimeters after 24,000 miles driving of each cars. Determine if there is any significant difference between four tire brands. Brand Tread Wear A 13 12 14 14 B 15 14 9 13 C 12 12 9 10 D 11 9 12 131. What type of experimental design is employed in this problem?2. Identify the treatments and the dependent variable (Response).3. Use a multiple boxplot in order to compare responses between different levels. a. Are there differences between the mean of the responses in at least two of the levels? Do you think this is the result of within-group variation or between-group variation?
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Please use minitab for this question if necessary:Four brands of tires (A, B, C, D) are to be compar...
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