Question 692940
Step 1:  place the numbers in order:  1,1,3,4,4,8,9,9,10<P>
Mean = the sum of the numbers divided by the number of numbers (the average) = (1+1+3+4+4+8+9+9+10)/9 = 49/9 = 5.44<P>
Median = the middle number = 4.<P>
Mode is the number that appears most frequently.  This set has multiple modes {1,4,9}
Range = the largest - the smallest = 10 -1 = 9.<P>
Midrange = the mean of the largest and smallest = (10+1)/2 = 11/2 =5.5
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