5 number summary
5 number summary continued
Solving One Step Equations
True/False Substitution
Find the...
100
What is the mode of a data set?
The most frequent data value.
(the value that is represented the most)
100
What is the outlier of the data set?
8, 58, 67, 55, 40, 69, 66, 51, 46, 48, 68
8
100
x - 13 = 13
x = 26
100
Check the following for x = 2:
-7x=-14
true
-14=-14
100
Find the q1 of 3,1,9,7,2,12,21
2
200
What is the mean of a data set?
The average of all data values.
200
What is the mean of the data set?
1, 9, 11, 5, 4, 10, 2
6
200
x - 7= -7
x=0
200
Check the following for x=-3
x- 21 = -21
false
-3-21=-21
-24=/-21
200
Find the mean of 56,90,23,58,99
65.2
300
What is the median of a data set?
The middle value of the data set.
If we have an even amount of values we take the average of the two middle values.
300
what is the mode of class 1? What is the maximum of class 2?
mode class 1: 86
maximum class 2: 100
300
7x = 49
x = 7
300
check the following for x=-4
-x - 8 = -4
true
-(-4)-8=-4
4-8=-4
-4=-4
300
Find the maximum for 90,231,54,89,213,109
231
400
42, 68, 67, 55, 40, 69, 66, 51, 46, 48, 68
What is the mode of the data set listed above?
68
400
what is Q1 for each class? What is Q3 for class 1?
BONUS: What is a reasonable choice for class 2 Q3?
class 1 Q1: 75 class 2 Q1: 80
class 1 Q3: 90 class 2 Q3: 91.25
400
x/4=11
x=44
400
check the following for x=-11
-1/11(x) = 1
true
-1/11(-11/1)=1
11/11=1
1=1
400
Find the q3 of 45,67,34,12,63,97
67
500
What is the median of the data set listed above?
42, 68, 67, 55, 40, 69, 66, 51, 46, 48, 68
55
500
What is the IQR of class 1?
Double Points: What is a reasonable assumption for the IQR of class 2?
IQR = Q3-Q1
class 1: 90-75 = 15
class 2: 91.25 - 80 = 11.25
500
2/5(x)=10
x = 25
500
check the following for x = 6
4x-8=x+10
true
4(6)-8=6+10
24-8=16
16=16
500
Find the interquartile range for 906,789,321,983,1003
438