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You collect a sample of 20 monthly employee salaries from Branch A and 20 monthly employee salaries from Branch B. If x 1 1 =

You collect a sample of 20 monthly employee salaries from Branch A and 20 monthly employee salaries from Branch B. If x 1 1 = 5100.8 , x 2 2 = 3837.7, s 1 = 945.199316 and s 2 = 912.399099, what is the value of the pooled variance? Group of answer choices none of these 928.94 862936.93 293.76

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