Fatyma H.

asked • 10/27/15

draw a flowchart to find median of given numbers

Please any one give me answear of dis question tomorrow is my exam

Jean-Michel T.

Thank you for noticing, Arnold!  My mistake; I did calculate the "mean" or average of the numbers, not the median.
 
The median is the middle number in the list of numbers when they are re-arranged by increasing order.
 
So Step 3 should be:
 
Step 3:  Re-arrange the numbers by increasing value. If you are programming the computer, this step requires a flow chart of its own.  You will need to pick a sorting technique.
 
Step 4: Find the middle number in the list: Calculate (N + 1)/2 and pick the number Xi where i = (N + 1) / 2.
 
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10/27/15

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Jean-Michel T. answered • 10/27/15

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This goes something like this, Fatyma.  A flowchart basically highlights the different steps you need to take to solve the problem.  It is very useful when you are programming the computer.
 
Step 1: Specify the number of inputs, N
 
Step 2: Store the input numbers, say X1, X2, X3, ... to XN
 
Step 3: Add the numbers together (calculate their sum)
S = X1 + X2 + X3 + ... + XN
 
Step 4: calculate the median:
Result = S / N
 
Hope this helps.
 
  Jean-Michel
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Arnold F.

You've calculated the mean not the median.
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10/27/15

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