Conditional and Relative Frequency

What is the approximate percentage of students surveyed who have blonde hair?

• 30

• 26

• 12

• 14

Mrs. Inman surveyed 100 RHS faculty members about their music preference. Complete the table to determine how many women prefer classical music.

• 9

• 19

• 17

• 7

Of the 200 people who bought soda, 25% of them also bought a hot dog. This is an example of_________.

• Joint Frequency

• Marginal Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Conditional Relative Frequency

Which of the values below is a joint frequency?

• 400

• 200

• 182

• 4

Of the 400 total people surveyed, 5% of them bought water and no food. This is an example of_____.

• Joint Frequency

• Marginal Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Conditional Relative Frequency

Of the 400 people who purchased concessions, 50% of them bought a soda. This is an example of

• Joint Frequency

• Marginal Frequency

• Joint Relative Frequency

• Marginal Relative Frequency

• Conditional Relative Frequency

Which of the following formulas will correctly calculate the percentage of males who prefer basketball?

• 15 / 48 * 100

• 48 / 15 * 100

• 15 / 48

• 48 / 15

The annual "Totally Fictional Marathon" has 100 participants. Of those 100 participants, 50% of them are wearing a blue shirt. Of all participants wearing a blue shirt, 40% of them are also wearing a hat. How many participants are wearing a blue shirt and a hat?

• 40

• 30

• 20

• 10

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

What is the most appropriate name for this table?

• Marginal frequency distribution table

• Marginal relative frequency distribution table

• Frequency distribution table

• Conditonal relative frequency distribution table

Answer explanation

Displaying the relative frequencies for the rows or columns is called a marginal relative frequency distribution. The marginal relative frequency distribution provides the ratio of total occurrences for each category to the total number of occurrences