

Probability Frequency
Presentation
•
Mathematics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
8 Slides • 17 Questions
1
Two Way Frequency Tables

2
3
4
5
6
Multiple Choice
How many total people were surveyed?
224
448
131
146
7
Multiple Choice
Which of the values below is a joint frequency?
400
200
182
4
8
Multiple Choice
The number of people who purchased a hot dog and a soda is an example of ___________.
Marginal Frequency
Joint Frequency
Marginal Relative Frequency
Joint Relative Frequency
Conditional Relative Frequency
9
Multiple Choice
How many people purchased no food and no drink?
60
10
20
200
10
Multiple Choice
Which of these values below is a marginal frequency?
182
120
46
10
11
Multiple Choice
The total frequency for any row or column is called a
two-way frequency table.
contingency table
marginal frequency
12
Multiple Choice
The table shows incomplete info about customers' orders in a cafe. How many women visited the cafe in total?
37
15
22
12
13
14
Multiple Choice
What is Relative Frequency?
The ratio of the number of times a category is represented to the total number of pieces of data
The frequency of the number of times a category is represented
Data that can be divided into categories based on the attributes of the data
A two-way table
15
16
17
Fill in the Blanks
What is the relative frequency of customers who chose soda as their drink? (write your answer as a decimal)
Type answer...
18
Multiple Choice
39 ÷ 240 would calculate the _______________ of males who prefer Sports Cars.
Marginal Frequency
Joint Frequency
Joint Relative Frequency
Marginal Relative Frequency
19
Multiple Choice
How do you calculate the marginal relative frequency for females?
The answer is 180
180 ÷ 240
135 ÷ 180
45 ÷ 135
20
Multiple Choice
Students were surveyed about their pet preferences. What is the probability of a student being a freshman and liking dogs best?
14/25
12/25
6/25
13/50
21
Multiple Choice
Mrs. DeHart asked her students if they studied for their test or not. What percentage of his class studied and passed the test?
56.7%
63.3%
89.5%
85.0%
22
Multiple Choice
What percent of students eat breakfast?
40%
30%
70%
30%
23
Multiple Choice
What percent of students age 14 - 17 skip breakfast?
6%
60%
24%
30%
24
Multiple Choice
Marginal is another word for...
Joint
Together
Total
Frequency
25
Poll
My confidence on Frequency Tables
I got it!
It make 80% sense
It's okay, little fuzzy
I'm still confused
Two Way Frequency Tables

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