Frequency Histograms

How many more people studied for 0-30 minutes than people who studied for 121-150 minutes?

• 3

• 6

• 5

• 4

More people had between __ and __ cups of coffee than any other range.

• 0-3

• 8-11

• 12-15

• 16-19

How many students are represented by the histogram?  

• Cannot be determined

• 9

• 31

• 35

Which interval has 4 students?

• 56-59

• 60-63

• 60-67

• 48-51

How many vehicles get no more than 32 miles per gallon?

• 50

• 48

• 42

• 36

Which graph represents histogram?

• 
• 
• 
• 

Where might there be an outlier?

• 95-100

• 90-105

• 85-90

• 80-85

It is useful to describe the shape of data. It can be symmetrical or have a positive or negative skew. Data with a positive skew has a long tail in the positive direction of the horizontal axis. Data with a negative skew has....

• a long tail in the direction of the negative horizontal access

• a long tail in the direction of the positive horizontal access

Is this data positively or negatively skewed?

• Positively skewed

• Negatively skewed

What is the shape of the distribution?

• Skewed Left 

• Skewed Right

• Symmetric

• Bimodal