Unit 1
How do you find the mean of a data set?
Add up all the numbers and divide by the total number of data points
1/9 + 4/9
5/9
Solve 5 - 10
-5
What is the Ratio of $ to @?
$ $ $ @ $ @ @ $ $ $
7 to 3
The most common number in a data set.
The Mode
What is the Mode of this data set?
4, 9, 10, 4, 2, 9, 10, 3, 8, 10, 0
10
What is the probability of rolling a number above 4 of a six-sided dice? MUST SIMPLIFY
1/3
4.9 + 3.68
8.58
If these are side lengths of corresponding sides, what would the missing side length be?
4/7 = 8/?
14
A positive or negative whole number, or 0.
Integer
What type of graph is the best to use when representing categorical data?
Bar Graph
What is the probability of flipping a tails AND rolling a 1 or a 6?
1/6
|5 + (-7)|
2
What are the three things that need to be true for two figures to be SIMILAR?
1. Same Shape
2. Corresponding Angels need to be equal
3. Ratios of Corresponding Sides need to be equal
Any number that can be expressed as the quotient or fraction p/q of two integers.
Ex. 3.5, 1/6, -4.125
Rational Number
Find the median of this data set.
2, 22, 5, 14, 7, 4, 26, 20
10.5
How can I represent 1/5 as a percentage?
20%
4 x (-5.6)
-22.4
If on a map, City A is 4 inches away from City B, and the scale of the map is 1 inch = 5 miles, how far away are the two cities in real life?
20 miles
What is the definition of Corresponding Sides?
A pair of matching sides that are in the same spot on different shapes.
What is the range of this Stem and Leaf Plot?
stem| leaf
1 | 4 6 6
2 | 1 9
3 | 0 0 4 5
21
What is the probability of picking a Diamond in a standard deck of cards And rolling a 1?
1/24
Solve.
4 + 12 - 4 + 3(2-8)
-6
If on a map, City A is 10 inches away from City B, and the scale of the map is 2 inch = 25 miles, how far away are the two cities in real life?
125 Miles
The probability of two or more events occurring.
Compound Probability