A company has three branches, A, B, and C, located in different cities. Management of the company needs to estimate the efficiency of the work of each branch. The study considers the profit of each branch per a month (in million dollars) during the last year. Suppose that the samples are independent and have normal distributions. Results of the study are represented below. Carry out an ANOVA test and find the F and P values.
A) ,
,
, and P-value is between 0.025 and 0.05.
B) ,
,
, and P-value is between 0.05 and 0.10.
C) ,
,
, and P-value is between 0.01 and 0.025.
D) ,
,
, and P-value is less than 0.01.
Correct Answer:
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