find mean ,median and mode of following data. 10,15,18,10,20,10,10,20,15,21,15and25.
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Answered by
59
mean = sum of observation upon number of observation. mean = 10 +15+18+10+20+10+10+20+15+21+15+25 upon 12. mean=189 upon 12. =15.75.
Answered by
87
hey....
1. MEAN..
= SUM OF OBSERVATIONS/TOTAL NO. OF OBSERVATIONS.
= 189/12
=15.75
2. MEDIAN
The median is the middle value, so first I'll have to rewrite the list in numerical order:
10 : 10 : 10 :10 : 15 :15: 15: 18:20: 20: 21: 25
=15.
3. MODE.
The mode is the number that is repeated more often than any other.
= 10.
1. MEAN..
= SUM OF OBSERVATIONS/TOTAL NO. OF OBSERVATIONS.
= 189/12
=15.75
2. MEDIAN
The median is the middle value, so first I'll have to rewrite the list in numerical order:
10 : 10 : 10 :10 : 15 :15: 15: 18:20: 20: 21: 25
=15.
3. MODE.
The mode is the number that is repeated more often than any other.
= 10.
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