Unit 6ReviewName:______Class Pd: 1 2 3 4

Interpreting Graphs & Tables

Use the dot plot below to answer problem #s 1-8.

Number of Cats Owned by Students

1. What is the mean of the data?______

2. What is the median of the data?______

3. What is the mode of the data? ______

0 / 1 / 2 / 3 / 4 / 5 / 6 / 7

4. What is the range of the data? ______

5. How many students own less than two cats? ______

6. How many students own 6 cats? ______

7. How many students were surveyed? ______

8. What is the least number of cats owned? ______

Use the histogram below to answer problem #s 9-12.

9. Which interval is the mode?

10. How many people completedexactly42 jumping jacks?

11. How many people did more than 59 jumping jacks?

12. How many people were included in this survey?

13 – 17. Label the 5 parts of a box plot (a.k.a., the “5-Number Summary”).

18. What is the RANGE of the data in the box plot above? ______

19. The interquartile range (IQR) is the range of the box, or the middle 50%, of a box plot. You can find the IQR by

subtracting the Lower Quartile from the Upper Quartile. What is the IQR of the box plot above?

______- ______= ______

Upper Quartile Lower Quartile IQR

20-22. Cousina recorded the ages of all nine of her cousins. Make a box plot of their ages below.

Ages / 2 / 3 / 7 / 14 / 16 / 18 / 18 / 20 / 22

23. In the box plot above, why is the second quartile (the section between the lower quartile and the median) much

bigger than the third quartile?

______

24. What percentage does each quartile of a box plot represent?

25. Find the MAD of this data – Number of Pets: 4, 4, 4, 5, 6, 7.

26. The data below represents the number of squats each 6th grade student in Couch Young’s gym class could complete in 1 minute. Use this data for questions 26-28.

40, 38, 32, 36, 25, 28, 33, 42, 50, 18, 24, 28, 44, 19

Create a grouped frequency table of the data above:

Intervals / Tallies / Frequency

27. Create a histogram using your grouped frequency table above

(Don’t forget to label your axes and give the graph a title!

28. Create a dot plot:

29. Use the data below to answer questions a-f

a. What is Jenna’s test average? ______

b. What is the mode of Jenna’s test scores? ______

c. What is Jenna’s median test score? ______

d. What is the range of Jenna’s test scores? ______

e. If Jenna wants her test average to be an 80, what would her next test score have to be?

Hint: 100+90+50+60+90+x

6

30. Draw a picture of an elephant below: