The data found below measure the amounts of greenhouse gas emissions from three

Question

The data found below measure the amounts of greenhouse gas emissions from three types of vehicles. The measurements are in tons per year, expressed as CO2 equivalents. Use a 0.05 significance level to test t claim that the different types of vehicle have the same mean amount of greenhouse gas emissions. Based on the results, does the type of vehicle appear to affect the amount of greenhouse gas emissions? Click the icon to view the data. What are the hypotheses for this test? Data Table O B. Ho: At least one of the means is different from the others. 7.6 8.9 7.7 8.4 7.5 7.4 7.8 8.2 8.5 9.5 8.5 6.9 6.9 7.5 7.2 8.9 9.2 9.8 8.6 9.4 H1: At least one of the means is different from the others 7.9 7.2 7.6 Determine the test statistic. F = | | (Round to two decimal places as needed.) What is the critical F value? F = | | (Round to two decimal places as needed.) Print Done F(Round to two decimal places

Explanation / Answer

The statistical software output for this problem is:

Analysis of Variance results:
Data stored in separate columns.

Column statistics

ANOVA table

Hence,

Hypotheses: Option D is correct.

Test Statistic F = 31.56

Critical value F = 3.40

P - Value = 0.00

Reject; do

Column n Mean Std. Dev. Std. Error Type A 10 7.22 0.52662447 0.16653328 Type B 8 7.9375 0.51806646 0.18316415 Type C 9 9.0555556 0.46666667 0.15555556

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