The estimated total of 674, 692, 724, and 739 is: 2800.
To find the sum using clustering estimation technique first step is to round each number to the nearest 10s.
674 into 670
692 into 690
724 into 720
739 into 740
Second step is to add
Addition=670+690+720+740
Addition=2820
2820 to the nearest 100s is 2800.
Therefore the estimated total of 674, 692, 724, and 739 is: 2800.
Learn more about Clustering estimation technique here:https://brainly.com/question/27885844
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