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

What is the relationship between succession and climax vegetation?

Which word in the sentence is the predicate nominative? Houston is the largest city in the state of Texas. a. city b. state c. Houston d. Texas

(01.03 MC)How did the Muslim culture expand so rapidly?

Explain why it works to break apart a number by place values to multiply

Which is the chemical name of the product formed when copper reacts with gas in air?

write a number with an 8 in hundreds place

what part of the brain moitors bodybtempreture

What is 10% off £1.80?

what are particles of carbon that enter the air when wood or coal are burned?

Anne was observing a cell under a microscope which was undergoing binary fission. Which type of cell was Anne observing? 1 Eukaryotic animal cell 2 Eukaryotic p