makhilawilison5692 makhilawilison5692

02-09-2018
Mathematics

contestada

A population of n ????20 scores has a mean of???????? 15. one score in the population is changed from x ???? 8 to x ???? 28. what is the value for the new population mean?

Respuesta :

sqdancefan sqdancefan

02-09-2018

20 has been added to the total of scores, so the new mean for the 20 scores will be 20/20 = 1 higher than it was.

The new population mean is 15+1 = 16.

Answer Link

Otras preguntas

I know it’s simple but I’ve never been good at this topic please help —— 1232÷14

I’m having trouble understanding how to solve this someone please help ASAP thank you! Use the Law of Cosines to solve the problem. You must solve for BC first

whats is the law of pascal

solve for x -[tex]\bold{x {}^{2} - 4 = 0}[/tex]ty! ~

can see all wavelengths/photons of light emitted from excited electrons.

9x+9y=9. Solve for Y

I am having surgery in the next few weeks. What are the important questions that I need to ask my doctor before the surgery?

Write this number in standard form: 5,000,000 + 200,000+ 8,000 + 400+60+9

In the Battle of Quebec, Wolfe found and he ended up taking the fortress of Quebec. A. a path that was poorly guarded by the French, B. a secret entrance that t

specialization can help a country’s economy by