Understanding Data Representation

What is the purpose of a frequency table?

• To display the grades of students

• To list the students' names alphabetically

• To calculate the average age of students

• To show how many students are of each age

How many students are 7 years old according to the frequency table?

• Six

• Four

• None

• Two

Which age group had no students?

• Eight

• Eleven

• Five

• Ten

What is the minimum age represented in the data?

• Six

• Five

• Seven

• Four

How is frequency defined in the context of this data?

• The average number of students

• The total number of students

• The number of students of each age

• The difference between the highest and lowest ages

What does a dot plot visually represent?

• The average age of students

• The total number of students in the class

• The highest and lowest ages only

• The number of students at each age using dots

What advantage does a dot plot have over a frequency table?

• It shows the exact number of students in the class

• It calculates the average age more accurately

• It visually represents data for easier comparison

• It lists students' names and ages

Which ages had the highest frequency in the class?

• Eight and Eleven

• Ten and Twelve

• Seven and Nine

• Five and Six

What is the range of ages in the class?

• Five

• Seven

• Seventeen

• Twelve

How many students are older than nine years?

• Four

• One

• Two

• Three