5 number summary
5 number summary continued
Solving One Step Equations
Checking Solutions of Equations
Random
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
Name the property that is used:
11+7 = 7+11
communitive property of addition
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
Name the property that is used:
11x(yz)=(11xy)z
associative property of multiplication
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
Name the four operations we have been using to solve equations as well as their inverse.
addition - subtraction
multiplication - division
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
Solve the equation for m:
m/l(th)=(o/a)ve
m=ovel/ath
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
Teach me how to solve the following equation:
2x + 4x - 8 = 8x +3
x= -11/2