Joint and Marginal Frequency

Joint and Marginal Frequency

By Susan Budde

Multiple Choice

The number of times the value appears in a data set.

• Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Conditional Relative Frequency

Frequency means

the number of times a values appears in the data​

​Some text here about the topic of discussion.

This is a sample sales record for a small dealership.

Colors and Types of Vehicle are recorded; so are the totals.​

​

the type of information you are asked for is important. Are you looking at ONE characteristic or TWO characteristics.

​Sales Record

Multiple Choice

What color car is the least often bought at this car dealership?

• Red
• White
• Blue
• Green

Multiple Choice

How many vehicles were bought at this dealership?

• 40

• 50

• 100

• 150

Multiple Choice

What color car is the most often bought at this dealership?

• Red
• White
• Blue
• Green

Multiple Choice

How many cars were bought at this dealership?

• 40

• 50

• 100

• 150

Multiple Choice

How many SUVs were bought at this dealership?

• 40

• 50

• 100

• 150

Multiple Choice

Which of these values below is a marginal frequency?

• 182

• 120

• 46

• 10

Multiple Choice

Which of the values below is a joint frequency?

• 400

• 200

• 182

• 4

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

Multiple Choice

48 male and 52 female students take a survey about their preferred sport. According to the chart, which sport was most popular among female students?

• Baseball

• Basketball

• Football

• Golf

percent means

OUT OF 100

​

​Some text here about the topic of discussion.

The majority of the responses were good!

​

There are more white thumbs up​

​​Majority

The minority in this picture is the section of one person.

​​Minority

All possible outcomes

​​Sample Space

​Show all possible outcomes by making a tree diagram

Three Coins

​

​Show all of the possibilities by demonstrating with real items.

​​TWO coins

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Multiple Choice

What percentage of the days that it rained, did they forecast no rain?

• About 20%
• About 18%
• About 14%
• About 12%

Multiple Choice

The majority of females were right-handed.

• True

• False

Multiple Choice

The majority of left handers are female.

• True

• False

Multiple Choice

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

Multiple Choice

Use the tree diagram to find the probability of tossing a head first and then a tail when a coin is tossed twice.

• 1

• 1_/2

• 1/₄

• 1/8

Multiple Choice

Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability both are odd?

• 1/4

• 1/2

• 2/4

• 3/4