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the average of a set of 20 values is 15.8. the mean increases by 0.4. when a mean value is added to the set, then what will be the new value
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- (21*(15.8+0.4))-(20*15.8)=24.2
- 8 years agoHelpfull: Yes(0) No(0)
- Vashikaran Mantra!!Love Problem Solution+919878162323
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- Since the Average of the 20 values is 15.8
total is 20*15.8=316
then a value is added and the mean is increased by 0.4 =>15.8+0.4=16.2
then total numbers is 21
therefore (16.2*21)-316=340.2-316=24.2 - 8 years agoHelpfull: Yes(0) No(0)
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