Math, asked by misjpmus, 8 months ago

find the mean of 25 numbers,it being given that the mean of 15 of them is 18 and the mean of remaining ones is 13​

Answers

Answered by NKS369
5

Step-by-step explanation:

Sum of 15 numbers/15=18; Sum of 15 numbers = 18×15=270; Sum of 10 numbers/10= 13; Sum of 10 numbers= 13×10=130; Mean= Sum of 25 observations/25=130+270/25=400/25=16

Previous Question
Next Question
Similar questions
Political Science, 4 months ago
Mahatma gandhi is the father of nation​...
History, 4 months ago
What are the benefits of preserving customs...
English, 4 months ago
Ramesh wanted to write mr nagaraj asking him to be the chief quest for a funcution in his school write about this letter...
Business Studies, 8 months ago
Define entrepreneurship in your own words without using the internet. and Distinguish between net profit and sales.
Social Sciences, 8 months ago
hlo answer the above question........​
Math, 10 months ago
Find the LCM of 6,72,120 using prime factorization method....... but book write the answer of 1440.​
Chemistry, 10 months ago
Metaformaldehye is a trimer of a)ethanol b)ethanal c)methanal d)acetone ???
Geography, 10 months ago
On an outline map of India , mark the belts of high density, moderate density,and low density of population.