Math, asked by Anonymous, 1 year ago

the Arithmetic mean of 12 observation is 7.5 if the arithmetic mean of 7 of this observation is 6.5 the mean of the remaining observation is?

Answers

Answered by Cutegirl006

6

the mean of remaining observation is 8.9.

Step-by-step explanation:

since we have given that

Number of observation is = 12

Arithmetic means = 7.5

so it becomes,

Number of observation = 7

means = 6.5

so it becomes,

so the mean of remaining observation

would be

hence the mean of remaining

observation is 8.9.

hope it's helpful..............

please mark me as brainlist..........❤️..............

Answered by Anonymous

2

heyaa!!!!❤️❤️

the mean of the remaining observation is 8.9

hope it helps uhh❤️❤️❤️

Previous Question

Next Question

Similar questions

Science, 6 months ago

Q1) Fill in the blanks. (a) The motion of the earth around itself is called (b) The motion of the earth around the sun is called Honesty is our c) The rotation of the earth gives rise to in public life. (d) Everyone needs has a special significance in our country. (e) .... (f) By developing a sense of equality, everyone gets to (g) We must use facilities outside our house, (h) The school is our...

Social Sciences, 6 months ago

1) Write are some disadvantages of travelling by train? Write any 2...

English, 6 months ago

emai:This year you have planned to celebrate your younger sister's birthday in an orphanage. Now write an email to your cousin to explain why you want to do this and invite her to join...

Math, 1 year ago

basic math is good and standard in class 10...

CBSE BOARD X, 1 year ago

Which all chapters are not there for students who are appearing for the boards 2019-20 from the following subjects 1.maths(standard) 2.hindi b 3.science 4.social(history,civics,economics and geography) 5.english...

Science, 1 year ago

discuss some effects of air pollution on plants????? only in two points.....

Science, 1 year ago

explain the human ear works...

Math, 1 year ago

what will be the labour cost of laying the four of of an assembly hall that is 16 m long and 12m wide if the cost of laying 1 square metre is 80 Rupees...