Which of the Following Is the Correct Way to Calculate

question 35

Multiple Choice

Which of the following is the correct way to calculate the standard error of the difference between two (independent) means? Let SEM1 represent the standard error of the first mean, and let SEM2 represent the standard error of the second mean.

• A)SEM1 + SEM2
• B)SEM1 − SEM2.
• C)The square root of (SEM1)2 + (SEM2)2.
• D)The square root of (SEM1)2 − (SEM2)2.

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