Degrees of freedom related with critical t-value

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Calculate the degrees of freedom for the test of equality of population means of two samples.

Two independent samples of sizes 16 and 26 were taken. In a test of equality of population means of the two samples, how many degrees of freedom are associated with the critical t-value?

(1) 44

(2) 41

(3) 43

(4) 40

(5) 42

Reference no: EM1321263

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