Asked by Gregory
A population of N=8 scores has a mean of M =20. If one score is changed from X=14to X=30 , what would be the value for the new mean.
Answers
Answered by
Damon
(a + 14)/8 = 20
(a + 30)/8 = m
a + 14 = 160
a + 30 = 8m
---------------
14 - 30 = 160 - 8m
8 m = 160 + 16 = 176
m = 176/8 = 22
(a + 30)/8 = m
a + 14 = 160
a + 30 = 8m
---------------
14 - 30 = 160 - 8m
8 m = 160 + 16 = 176
m = 176/8 = 22
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.