Statistics
Find the Mean
8, 12, 15, 12, 10, 8, 20
12.14
Simplify:
(y5)0
1
Simplify
√50
5√2
Factor using GCF
12p2+18p
6p (2p + 3)
Find the LCM of 9xy3 and 15x2
45x2y3
Create a stem and leaf plot
39, 15, 42, 21, 30, 27, 24, 21, 33, 36, 12, 18
1| 2 5 8
2| 1 1 4 7
3| 0 3 6 9
4| 2
Simplify:
x4⋅x6
x10
Simplify
√450
15√2
Factor
9y2 − 64
(3y - 8)(3y + 8)
Simplify
(5x2+3x−7)+(2x2−8x+4)−(x2−5x+6)
6x2-9
Find the Mean, Median, Mode, and Range
20, 24, 6, 14, 10, 18, 12, 8, 16, 10, 2, 22, 4, 26
Mean = 13.71
Median = 13
Mode = 10
Range = 24
Simplify:
(12x6y4) / (3x2y)
4x4y3
Simplify
√112y5
4y2√7y
Factor
x2+15x+56
(x + 8)(x + 7)
There is candy in a Easter basket: 5 are Kit Kats, 10 are Hershey bars, 3 are lollipops, and 2 are Reese's Peanut Butter Cups. What is the probability of selecting a Kit Kat?
5/20 or 0.25
Find Q1, Q3, and the IQR
13, 29, 9, 17, 7, 13, 21, 11, 19, 15, 23, 5, 25
Q1 = 10
Q3 = 22
IQR = 12
Simplify
(x−2y3)2(x5y-1)
x5y - 4x5y3 + 4x5y5
Simplify
√252x3y2
6xy√7x
Factor
9a2+27a+18
9(a2 + 3a + 2)
9(a + 1)(a + 2)
There is candy in a Easter basket: 5 are Kit Kats, 10 are Hershey bars, 3 are lollipops, and 2 are Reese's Peanut Butter Cups. What is the probability of selecting a Kit Kat OR a Hershey bar?
0.75 or 3/4
Create a box and whisker plot
35, 42, 35, 30, 40, 25, 30, 35, 38, 32, 28
Min = 25, Q1 = 30, Med = 35, Q3 = 38, Max = 42
Simplify:
((3x5y-2)3 / 9x4y-5 ) ⋅ x-2y3
3x9y2
Simplify
√972x6y3z10
18x3yz5√3y
Factor
(27x3 - 81x2 + 54x) / (9x2 - 18x)
3x-3
There is candy in a Easter basket: 5 are Kit Kats, 10 are Hershey bars, 3 are lollipops, and 2 are Reese's Peanut Butter Cups. If you were to select 2 candies at random, what is the chance the first one is a Hershey bar and the second one is a Kit Kat?
0.132 or 5/38