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

Find the sum or difference 8+(-5)

Modelar con matemáticas Aleyshka está ahorrando dinero en su cerdito. Tiene 15 monedas de 25 centavos, 19 monedas de diez centavos y el resto son monedas de ci

find a, b and c. don’t be slow. show the equation and answer for all pls (:

Evelyn has $638.54 in her checking account. She must maintain a $500 balance to avoid a fee. She wrote a check for $159.50 today. Write and solve an inequality

Simplify the rational expression below. When typing your numerator and denominators be sure to but the term with the variable first and do not put spaces betwee

how many dogs in the world

The above painting is Michelangelo Buonarroti's, Last Judgement. What is/was the source of inspiration for this famous painting? What does the painting depict?

URGENT. Pyramid A is a square pyramid with a base side length of 12 inches and a height of 8 inches. Pyramid B has a volume of 20,736 in3. How many times bigger

PLEASE HELP ME! I NEED THIS QUICKLY! Its relating to analog and digital waves

The above painting is Michelangelo Buonarroti's, Last Judgement. What is/was the source of inspiration for this famous painting? What does the painting depict?