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

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

find an equivalent expression without parentheses -(50x-15y+15)=

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

how is mass transit in cities a possible solution tk urban air pollution?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

find an equivalent expression without parentheses -(50x-15y+15)=

Can someone use the word delta in a sentence

(10y^3+20y^2+55y)/5y