SOLUTION: A quantitative variable contains 10 observations that have a mean value of 25. One of the 10 observations is recorded incorrectly and is changed from a value of 10 to a value of 20
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Question 400908: A quantitative variable contains 10 observations that have a mean value of 25. One of the 10 observations is recorded incorrectly and is changed from a value of 10 to a value of 20. The new mean is
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A quantitative variable contains 10 observations that have a mean value of 25. One of the 10 observations is recorded incorrectly and is changed from a value of 10 to a value of 20. The new mean is
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Original mean = 25
Original total points = 10*25 = 250
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10 points are added to the total giving 260 points
New mean = 260/10 = 26
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Cheers,
Stan H.
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