Math, asked by sreenasarkar, 1 year ago

If the mean of 25 observations is 27 and each observation is decreased by 7 then what will be the new mean?
PLEASE HELP!!!

Answers

Answered by nivabora539

2

please mark me as brainlist.

Attachments:

Answered by anjubairwarud

1

Answer:

25*27= total value of observation

Step-by-step explanation:

(25*27 -25*7)/25= 20

mean - change = new mean

Previous Question

Next Question

Similar questions

English, 6 months ago

voice. Whom do they select?

Math, 6 months ago

fraction 15.3 , 6.6...

Math, 6 months ago

4. Consider the following distribution of daily wages of 50 workers of a factory: 6 Daily wages (in) 500 - 520 520 - 540 540 - 560 560 - 580 580 - 600 Number of workers 12 14 8 10 Find the mean daily wages of the workers of the factory by using an appropriate method.

Social Sciences, 1 year ago

identify the person and write a brief sketch on him...

Political Science, 1 year ago

............. A. Fill in the blanks. trains help people in the cities to commute to their places of work ........ people in the cities are forced to live in the slums. ........ . helps in increasing the ground water table. Clean water can prevent ... .............. diseases. 5. Sulabh has its presence in .. ............. places and employs ......... 1 P 4. people be...

Political Science, 1 year ago

Write the procedure to file an FIR?

Science, 1 year ago

•Charateristics of animals of Protochordata. •Please write in simple and in point wise method...

History, 1 year ago

how did historians stirred nationalism among indians ??3mark...