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

How does the pressure of blood in the arteries affect the flow of blood from the heart to the tissue?

For Brainliest! Tell why you feel Picasso is of such importance to the world. Tell what period of his painting life you like best and why. Also, choose one of h

16. Choose the sentence which contains an indirect object? A. They gave me a bonus. B. I worked hard each day. C. It is difficult to save money. D. I

PLEASE HELP!!! What is the solution to the system of equations below y= -3x + 5 and y= 4x -2

Participants in open _________ community projects get experience and make connections with other professionals that can be valuable resources during a job hunt.

What would be a reasonable estimate for m/6=21

Evaluate 4x power of 3 +4x when x=3

I need help with both these questions please

¿Dóndetú anoche?Anyone know the answer

A cube has a side length of 20.5 cm .what is the surface area of the cube?