Histograms and Scatter Plots

Which interval shows the greatest number of pets?

• 15-19

• 0-4

• 5-9

• 10-14

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

21. How many students are represented by the histogram?  

• Cannot be determined

• 9

• 31

• 35

How many people watched more than 25 hours of TV last week?

• 0

• 10

• 38

• 42

Which interval contained the fewest scores?

• 0-9

• 50-59

• both 0-9 and 50-59

• 10-19

Which graph represents histogram?

• 
• 
• 
• 

Which relationship could be represented by this scatter plot?

• As the number of muffins in a box increases, the price increases.

• As the speed of a car increases, the distance the car travels increases.

• As the population of a city increases, the number of schools in the

  city increases.

• As the number of daylight hours increases, the number of night hours decreases.

Molly collected data about the number of hours students studied and their scores on a test. The results are shown in the scatter plot. Which statement about the data is true?

• As study hours increase, test scores decrease.

• As study hours increase, test scores increase.

• As study hours increase, test scores stay the same.

• As study hours decrease, test scores increase.

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation

• Negative correlation

• No correlation

• All of the above