Asked by Tammy
                 How you can quickly calculate the mean of the following test scores without adding the numbers. 
76,73,78,75
            
        76,73,78,75
Answers
                    Answered by
            Henry
            
     Mean = (76+73+78+75)/4 = 75.5
A quick way to calculate the mean is to take the difference between the largest and smallest number and divide it by 2; then add the results to the smallest number:
(78-73)/2 = 2.5, 73 + 2.5 = 75.5.
 
    
A quick way to calculate the mean is to take the difference between the largest and smallest number and divide it by 2; then add the results to the smallest number:
(78-73)/2 = 2.5, 73 + 2.5 = 75.5.
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.