Representing Data

Emily is making a histogram for the data 12, 24, 56, 7, 34, 75, 86, 78, and 96.  What is the most appropriate first interval? 

• 0-5

• 0-10

• 0-50

• 0-100

Which interval has the greatest number of employees?

• 11-21

• 33-43

• 77-87

• 44-54

Which interval has the greatest number of students?

• 48-51

• 56-59

• 60-63

• 64-67

Is this an example of a histogram?

• yes

• no

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.

• No, because a histogram displays numerical data while a bar graph displays categorical data.

• Yes, because they both use bars to display data.

• No, because a histogram displays categorical data while a bar graph displays numerical data.

What is an interval?

• What is an interval?

• A range of numbers

• A percentage

• A total amount

How many students have a height of atmost 169.5 and at least 159.5?

• 9

• 7

• 5

• 6

Neal is going to buy an automobile and needs to spends less than $35,000 in order to afford the monthly payment. Looking at the histogram, how many automobiles does Neal have to choose from?

• 105

• 35

• 20

• 125

Emily is making a histogram for the data 12, 24, 56, 7, 34, 75, 86, 78, and 96.  What is the most appropriate first interval? 

• 0-5

• 0-10

• 0-50

• 0-100

True or False? Over 50% of the students watch between 5 and 14 hours of television on the weekend?

• True

• False