giliels are testing company fleet vehicle fuel economy (miles per galon) perform

Question

giliels are testing company fleet vehicle fuel economy (miles per galon) performance by using different types of fuel. One vehicle of each size is tested. Does this sample provide sufficient evidence to conclude that there is a significant difference in treatment means? 87 Octane 31.9 18.9 28.4 18.1 89 Octane 91 Octane Compact Mid-Size Full-Size SUV 28.0 18.2 29.0 23.2 20.7 20.4 19.8 15.2 27.3 18.9 30.9 21.4 10% 29.3 27.3 28.0 30.4 Click here for the Excel Data File (a) Choose the correct statement Fuel type is the blocking factor and vehicle size is the treatment. Fuel type is the treatment and vehicle size is the blocking factor (b) Fill in the boxes. (Round your SS values to 3 decimal places, Fvalues to 2 decimal places, and other answers to 4 decimal places.) df Source Blocks (Fuel Type) Error Total

Explanation / Answer

applying two way ANOVA without replication:

a)

fuel type is the blocking factor and vehicle size is the treatment

b)

c)

Source of Variation SS df MS F P-value treatment 190.122 3 63.3738 5.39 0.0140 blocks 191.273 4 47.8183 4.06 0.0261 Error 141.211 12 11.7676 Total 522.606 19

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