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Mean, Median, Mode, and Range

Algebra
Tutor: None Selected Time limit: 1 Day

the mean of six numbers is 18. if one number is 23, what is the mean of the other 5 numbers.

Apr 24th, 2015

mean = sum of six numbers  / total number

so,

        18 = sum of six numbers / 6

one number is 23 in that six numbers so,

         18 = (23 + sum of  other five numbers )/6 

    108 =  23 + sum of  other five numbers 

        sum of other five numbers =  85...............................


now the mean of  other five numbers  =  sum of other five numbers / 5

                                                             =85/5

                                                              =17........................


SO ANSWER IS   mean  = 17....................



hope you understood...please message if you have any doubts...thank you

Apr 24th, 2015

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