Find the value of the test statistic to test for a difference in the areas. Round your answer to two decimal places, if necessary.

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Answer : 3.59

Step-by-step explanation:

Calculating the standard deviation, mean and standard error of the hourly wages

Area 1 : mean = 12.75 , std = 4.9497 , std error = 1.75

Area 2 : mean = 18.25, std = 4.3671,  std error = 1.54399

Area 3 : mean = 16.25, std = 2.8660, std error = 1.01330

mean = sum of terms / number of terms

std = (X − μ)2 / n

std error = std /

The value of the test statistic to test for a difference in the areas is

3.59 ( using anova table attached below )

72 is the answer to this problem