how to find assumed mean in statistics

"Count" the total number of xi (don't add it up and den divide) , suppose it's 8 den assumed mean would be 8/2 = 4 so the 4th xi will be the assumed mean but suppose the no is odd like 5 then A.M would be 5/2 = 2.5 i.e 3rd xi will be the assumed mean.

Hope its understandable!

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How to Determine the Assumed Mean
  1. Sort Data. Sort your data set from smallest to largest. ...
  2. Assume Mean. Assume a mean. ...
  3. Subtract Assumed Mean. Subtract your assumed mean from each data entry. ...
  4. Add Difference. Add together each difference from the mean. ...
  5. Divide by Number of Data Points. ...
  6. Add Result to Assumed Mean.
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