How does the mean change???

The graph shows the number of boxes sold by students in Ms. Williams' home room class. If she adds a student that sold 8 boxes what would happen to the mean of the data set?

• The mean will stay the same.

• The mean will decrease

• The mean will increase.

The dot plot shows students' heights in a PE class. If a new student arrives and is 48 inches tall, what would happen to the mean as a balance point?

• The mean will stay the same

• The mean will increase

• The mean will decrease

What would happen to the mean as a balance point for this dot plot if one of the 23 was removed?

• The mean will stay the same

• The mean will increase

• The mean will decrease

Calculate the mean of the data set displayed. If another 23 was added to the data set, what would happen to the mean as a balance point?

• The mean would stay the same

• The mean will increase

• The mean will decrease

What would happen to the balance point if Jill took away a student that did 8 pull ups?

• The balance point would stay the same

• The balance point increases

• The balance point decreases