The mean of 5 numbers is 4. What happens to the mean if the number 10 is added to the data set?
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Answered by
4
x1+x2+x3+x4+x5/5 =4
x1+x2+x3+x4+x5= 4×5=20
10 is added
x1+x2+x3+x4+x5+x6/6 =x
let x6=10
x1+x2+x3+x4+x5=20
then
20+10/6= x
30/6 =x
x=5 is mean
x1+x2+x3+x4+x5= 4×5=20
10 is added
x1+x2+x3+x4+x5+x6/6 =x
let x6=10
x1+x2+x3+x4+x5=20
then
20+10/6= x
30/6 =x
x=5 is mean
Answered by
2
Answer:
D the Mean increases by 1
Step-by-step explanation:
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