Answer:
Step-by-step explanation:
0
The - change every sing -m-3n+12
Answer:
1.6; 2.4
Step-by-step explanation:
five or more round up
4 or less leave as is
Answer:
The new mean would be given by:
And replacing we got:
Step-by-step explanation:
We know that the original mean from the 28 students is given by:
The sum of the values is:
And now we know that the new mean is 68.8 with the 25 new people so then the new mean would be given by:
The sum of the values is:
The new mean would be given by:
And replacing we got: