Question

what is the mean of 121 347 45 21 300 614 312 333 421

Answer 1

Answer:

mean = sum of all observation /no. of observation

mean= 121+347+45+21+300+614+312+333+421/9

mean =2139.77

Step-by-step explanation:

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Answer 2

Answer:

=sum pf observation /mo of observation

so=  123+347+45+21+300+614+312+333+421/9

=2570/9

56=answer

Step-by-step explanation: