Three different makes of cars were tested for fuel efficiency. For each make of car fifteen automobiles were randomly selected and subjected to standard driving procedures. Using the data from the following results compute the between treatments estimateof σ² and the within treatments estimate of σ². At the α=.05 level of significance, can the null hypothesis,that all fuel economies are the same,be rejected? Construct the ANOVA table for this data. Ford Chevrolet Chrysler Miles Per Gallon 32 29 34 Standard Deviation 4 5 3
Three different makes of cars were tested for fuel efficiency. For each make of car fifteen automobiles were randomly selected and subjected to standard driving procedures. Using the data from the following results compute the between treatments estimateof σ² and the within treatments estimate of σ². At the α=.05 level of significance, can the null hypothesis,that all fuel economies are the same,be rejected? Construct the ANOVA table for this data.
Ford Chevrolet Chrysler
Miles Per Gallon 32 29 34
Standard Deviation 4 5 3
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