1. Bell Ringer I will be taking up this week’s homework today, So when you finish the Bell Ringer get that Ready
{ 12, 14, 10, 7, 13, 13, 16}
Find the Range
Find the Median
3. Find the Lower Quartile
4. Find the Upper Quartile

2. Homework Check

3. Homework Check

4. Announcements
Test on Tuesday
Relay Walk Tomorrow

5. Section 13.5 Histograms
R drive > Key > April 20_24 > 4_23__13.5 Histograms File > Save As > P drive > Math > April 20_24 >

6. Vocabulary
Histogram – Uses bars to display numerical data that have been organized into equal intervals

7. Notes
Step 1- Draw and label a horizontal and vertical axis. Include a title.
Step 2 – Show the intervals from the frequency table on the horizontal axis and an interval of 2 on the vertical axis.
Step 3 – For each interval, draw a bar whose height is given by the frequency.

8. Example 1 Draw a Histogram
The table shows the ages of people who entered a store. Display the data in a histogram.

9. Example 2 Draw a Histogram
Refer to the frequency table about the number of heliports in each state. Display the data in a histogram.

10. Example 3 Draw a Histogram
The frequency table shows certain water park admission costs. Display the data in a histogram.

11. Example 4 Interpret Data
Refer to the histogram. (a). How many students scored at least 90 on the test? (b). What percent of the students scored 79 points or lower?

12. Example 5 Interpret Data
Refer to the histogram. (a). Is it possible to tell the score of the highest test? (b). In what range is a student most likely to score on the test?

13. Example 6 Interpret Data
Refer to the histogram. (a). How many states have highest points with elevation at least 3, 751 meters? (b). What percent of states contain elevations above 2, 500 meters?

14. Example 7 Compare Data
Use the histograms shown below. Which city has a greater number of buildings at least 600 feet tall?

15. Example 8 Compare Data
Which business sector has more states with the number of employees in the interval 1001 to 3000?

16. Class Work Section 13.5 #1-6

17. Class Work Section 13.5 #1-6

18. Class Work Section 13.5 #1-6

19. Class Work Section 13.5 #1-6