SOLUTION: The mean score on a set of 21 tests is 89. Suppose two more students take the test and score 68 and 63. What is the new mean?
The new mean is ____ (round to the nearest tenth)
Algebra ->
Probability-and-statistics
-> SOLUTION: The mean score on a set of 21 tests is 89. Suppose two more students take the test and score 68 and 63. What is the new mean?
The new mean is ____ (round to the nearest tenth)
Log On
Question 786255: The mean score on a set of 21 tests is 89. Suppose two more students take the test and score 68 and 63. What is the new mean?
The new mean is ____ (round to the nearest tenth). Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! The mean score on a set of 21 tests is 89. Suppose two more students take the test and score 68 and 63. What is the new mean?
The new mean is ____ (round to the nearest tenth).
:
A total of 23 students then
m =
m =
m = 89.9565 ~ 90.0 is the new mean
