# SOLUTION: A data set has nine values. The mean of the set is five. When a tenth value is added, the mean becomes six. What is the tenth value? What is the sum of the original nine data va

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: A data set has nine values. The mean of the set is five. When a tenth value is added, the mean becomes six. What is the tenth value? What is the sum of the original nine data va      Log On

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 Click here to see ALL problems on Probability-and-statistics Question 555336: A data set has nine values. The mean of the set is five. When a tenth value is added, the mean becomes six. What is the tenth value? What is the sum of the original nine data value Make a Plan Write and solve an equation to find the tenth value But is you can help me its in math but that if your a math major but its okay if you aren't i have tryed to do this problem more than once. Answer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!A data set has nine values. The mean of the set is five. Total points was 9*5 = 45 -------------------------------------- When a tenth value is added, the mean becomes six. What is the tenth value? Total points will be 10*6 = 60 points. -- The 10th value must have been 60-45 = 15 ------------------------------------------------ What is the sum of the original nine data values : 45 ---- Cheers, Stan H. ==========