1. Welcome! The Topic For Today Is…

2. 4 th Nine Weeks Review Just a Plot of a Spot I’m Not a Bar Graph Feline Rectangles Well That’s Mean (or is it Median?) Statistically Speaking 1 point 1 point1 point 2 points 3 points 4 points 5 points Final Jeopardy

3. Plot: 1 pt Question: What is the range of this data set? Answer: 6

4. Plot: 2 pts Question: How many observations were taken in the following data set? Answer:8

5. Plot: 3 pts Question: The dot plot below represents the age of children in the after school program at the library. What would the range be if two new children joined that were ages 7 and 8? Answer: 9

6. Plot: 4 pts Question: What is the mode of the data? Answer: 25 & 40

7. Plot: 5 pts Question: This graph shows the average family size in Georgia. What is the ratio of families with three children to families with four children? Answer: 6:1

8. Not a bar graph: 1 pt Question: Describe the shape of this histogram. Answer: Skewed right

9. Not a bar graph: 2 pts Question: What is the most common age of the individuals tracked using the graph below? Answer: 85- 90

10. Not a bar graph: 3 pts Question: How many employees were observed for this graph? Answer: 32 Employees Vacation Days

11. Not a bar graph: 4 pts Question: How many employees have less than five weeks of vacation? Answer: 26 Employees Vacation Days

12. Not a bar graph: 5 pts Question: What is the ratio of all employees to employees with > 30 vacation days? Answer: 8:1 Employees Vacation Days

13. Feline: 1 pt Question: Which has the greatest variation of data? Answer: A 050100 A B C D

14. Feline: 2 pts Question: What is the median? Answer: 65

15. Feline: 3 pts Answer: 16 Question: What is the range?

16. Feline: 4 pts Question: Describe the shape and interquartile range of this graph. Answer: Skewed right, 5 Daily Double

17. Feline: 5 pts Question: What is the mean of this graph? Answer: It cannot be determined using a box plot

18. That’s Mean: 1 pts Question: Which of the following is the best way to collect data on the mean speed of highway drivers? A.Observe the speed of one car B.Observe the speed of multiple cars C.Observe your own speed D.Observe the speed of police officers Answer: B

19. That’s Mean: 2 pts Question: Seven golfers had the following scores: 76, 82, 74, 86, 89, 79, 95 What is the median score? Answer: 82

20. That’s Mean: 3 pts Question: Meghan is doing face painting at the school carnival. Over the five hours she worked she painted the following number of faces: 9, 6, 15, 11, 4 What is the mean number of faces she painted per hour? Answer: 9

21. That’s Mean: 4 pts Question: Molly had a C in math because her grades after two weeks were 72, 68, and 74. She worked very hard and her grades improved to 85, 86, and 92 over the next two weeks. What is her mean grade now (numerical)? Answer: 79.5

22. That’s Mean: 5 pts Question: Three teachers are 35, two are 30, Dr. McCann is 72 and Mr. Childers is 113. What is the mean age of these teachers? Answer: 50

23. Speaking : 1 pt Question: Which of the following is a statistical question? A.How high can I climb? B.What size are my shoes? C.What is the favorite restaurant among teachers? D.How many teeth do I have? Answer: C

24. Speaking : 2 pts Question: A measure of _____ summarizes all of the values of a numerical data set in a single number. Answer: Center

25. Speaking : 3 pts Question: A measure of _____ describes how a numerical data set varies from the mean. Answer: Variation

26. Speaking : 4 pts Answer: Dot Plot Question: Data should be displayed using a _______ if you need to show the value of individual observations.

27. Speaking : 5 pts Answer: a decimal 5.9 Question: What mathematical symbol can be put between 5 and 9 to get a number bigger than 5 and smaller than 9?

28. Final Jeopardy 1 Final Jeopardy 1 Decide how many points your team is willing to risk. If you get the question right you win the points If you get it wrong you lose the points! Final Jeopardy 2 Final Jeopardy 2 Final Jeopardy 3 Final Jeopardy 3 Final Jeopardy 4 Final Jeopardy 4

29. Answer Key Just a Plot of a Spot I’m Not a Bar Graph Feline Rectangles Well That’s Mean (or is it Median?) Statistically Speaking 6 Skewed High (Right) ABC 885 - 906582Center 932169Variation 25 & 4032Skewed High, 579.5Dot Plot 6:18:1 Cannot be determined with a box plot 505.9 Final Jeopardy