1.Find the mean: 12, 8, 7, 10, 8, 8, 10
A)63
B)12.6
C)9**
D)7
2.The sixth-grade classes have 28, 20, 30, and 25 students. What is the mean number of students in a class?
A)25.75**
B)26.25
C)25
D)27
3.The mean of four numbers is 30. If three of the numbers are 12, 50, and 48, what is the fourth number?
A)120
B)10**
C)12
D)30
4.Carlos measured the rainfall amounts, in inches, in his town for one week. The amounts were 0.1, 0.5, 0, 0.32, 0, 0, 1.5, and 0. What is the outlier in this set of data?
A)0
B)0.1**
C)0.32
D)1.5
5.Cindy asked her friends how many times they had watched a particular movie, with the results of 1, 0, 1, 3, 2, and 7. What is the mean of this set of data without the outlier?
A)1.4**
B)1.75
C)2.3
D)2.8
(**= Answers)
That is a 100% on your test
1. C
2. A
3. B
4. D
5. A
1.C
2.A
3.B
4.D
5.A
Me and bob are correct
I agree with all you answers except #4
#4 , the outlier is 1.5
yup bob is right!! Thanks bob
1. Mean= all the numbers added up then divided by the total of numbers, which here would be 7 numbers. 63/7=?
That's all I know
1.C
2.A
3.B
4.D
5.A