2. K. Martin Component 3 Measures of Central Tendency, Probability, Possible Outcomes, Sampling and Data Analysis Review JEOPARDY K. Martin

3. RouterModesWANEncapsulationWANServicesRouterBasicsRouterCommands 100 200 300 400 500RouterModesWANEncapsulationWANServicesRouterBasicsRouterCommands 100 200 300 400 500 Measures of Measures of Central Tendency Sampling Possible Outcome Probability Data Analysis Vocabulary 100 200 300 400 500 100 200 300 400 500 ► ► ► F i n a l J e o p a r d y   

4. K. Martin Answer: You ask 10 of your classmates what their score on the math quiz were. The results are shown below. Find the mean, median, and mode of the data set. 4, 10, 8, 5, 9, 7, 8, 7, 9, 8 Measures of Central Tendency 100 A: Mean = 7.5 Median = 8 Mode = 9 100 200 300 400 500

5. K. Martin Answer What $200,000? Measures of Central Tendency 200 100 200 300 400 500 JobSalary Owner$200,000 Newscaster$60,000 Meteorologist$52,000 Reporter$38,000 Set Designer$32,000 The table shows the salaries of employees at a TV station. Which salary, if any would be the outlier?

6. K. Martin Answer 100 200 300 400 500 The mean would be decrease. Measures of Central Tendency 300 Carlos found the mean and median of a math quiz of three of his friends,: 15, 18, 18. Would the mean increase, decrease, or stay the same if he added the score of his other friend who scored 5?

7. K. Martin Answer 100 200 300 400 500 The mean would be increased, but the median and mode would remain the same. The table shows the salaries of employees at a TV station. If the station hires a programming director at a salary of $125, 000, how would the mean, median, and mode of the salaries change? Measures of Central Tendency 400 JobSalary Owner$200,000 Newscaster$60,000 Meteorologist$52,000 Reporter$38,000 Set Designer$32,000

8. K. Martin Answer 100 200 300 400 500 The median would be the best measure of the income of a typical employee because the mean is to high because of the outlier. Measures of Central Tendency 500 The annual incomes for 4 employees McDonald’s are $20,000, $30,000, $32,000, and $2,525, 627. Which of the median or mean income would best characterize the income of a typical employee at McDonald’s?

9. K. Martin Answer 100 200 300 400 500 A: What is random? Picking a name out of a hat is what type of sampling? Sampling 100 200 300 400 500

10. K. Martin Answer 100 200 300 400 500 A: What is B? Sally wants to know the average allowance given to 6 th graders. Should she A) Ask the first 20 students who get to school. B) Ask 5 students from each 6 th grade advisory. Sampling 200

11. K. Martin Answer 100 200 300 400 500 A: People will tend to choose the art class because it is “fun” and not difficult. How could the wording influence the results of this survey? Which do you prefer a fun art class or a difficult math class?Which do you prefer a fun art class or a difficult math class? Explain. Sampling 300

12. K. Martin Answer 100 200 300 400 500 A: The sampling method is biased because Joe chose his friends and his friends are likely to choose what he likes. Joe wants to find out which soda his school likes best. He asks 6 of his best friends what type they prefer. Why is this sampling method biased? Sampling 400

13. K. Martin Answer 100 200 300 400 500 A: It is self-selecting (only people who want to call in) and it will eliminate all people who go to sleep before 10 pm. A radio station wants to find out the average age of its listeners. He asks people to call into the station between 10pm and midnight. Name two ways this sampling would not give an accurate sample. Sampling 500

14. K. Martin Answer 100 200 300 400 500 A: What is 4? Possible Outcomes 100

15. K. Martin Answer 100 200 300 400 500 A: What is (Andrea, Gerardo), (Andrea, Carmen), (Angel, Gerardo), (Angel, Carmen), (Danny, Gerardo), (Danny, Carmen)? Ms. Alvizo is going to choose one person from each of the two lists below to represent her class in the doughnut eating competition during lunch. List 1List 2 AndreaGerardo AngelCarmen Danny Show all the possible choices of two people. Possible Outcomes 200

16. K. Martin Answer 100 200 300 400 500 A: What is A man has three shirts and three ties. Make a tree diagram to show all the possible ways of choosing a shirt and tie. Possible Outcomes 300

17. K. Martin Answer 100 200 300 400 500 A: What is 1/2? Possible Outcomes 400

18. K. Martin Answer 100 200 300 400 500 A: What is … A spinner has two regions of equal size, colored green and yellow. Draw a tree diagram that shows all the possible outcomes when it is spun twice. Possible Outcomes 500

19. K. Martin Answer 100 200 300 400 500 A: What is 1/3 ? There are 6 blue balls, 5 green balls and 4 red balls in a bag. What is the probability of pulling out a green ball? Probability 100

20. K. Martin Answer 100 200 300 400 500 A: What is 1/36? If you roll 2 dice, what is the probability of getting a 12? Probability 200

21. K. Martin Answer 100 200 300 400 500 A: What is 1/7? The probability of picking your own name out of a hat is 1 in 10. After 3 people’s names have been pulled, what is the probability that yours will be next? Probability 300

22. K. Martin Answer 100 200 300 400 500 A: What is 11/14? The probability of choosing a jelly donut is 3/14 what is the probability of not choosing a jelly donut. Probability 400

23. K. Martin Answer 100 200 300 400 500 A: What is 1/6? A spinner has 1/6 probability of landing on a blue space. It is spun 4 times and lands on blue each time. What is the probability of it landing on a blue space the next time it is spun? Probability 500

24. K. Martin Answer 100 200 300 400 500 A: What is November? What month was there the most recycling? Data Analysis 100

25. K. Martin Answer 100 200 300 400 500 A: What is 1995 & 1997? In what year was there the largest difference in enrollment of boys and girls? Data Analysis 200

26. K. Martin Answer 100 200 300 400 500 A: What is day 2? Data Analysis 300 Which day had the greatest increase in the temperature over that of the previous day?

27. K. Martin Answer 100 200 300 400 500 A: What is … House prices have more than doubled in the past 20 years. House prices increase in price the most since 2001. House prices look like they are going to decline. What conclusion can you make about the home prices in the United States? Data Analysis 400

28. K. Martin Answer 100 200 300 400 500 A: What is 900 recyclables? The circle graph shows the percentage of recycling for Jakeman School of all the grades with a total of 3,000 recyclables. How many recyclables were there in the 3rd and 4th grade. Data Analysis 500

29. K. Martin Answer 100 200 300 400 500 A: What is an outlier? What do you call a number in a data set that is much higher or lower than the rest of the numbers in the set? It affects the measure of central tendency. Vocabulary 100

30. K. Martin Answer 100 200 300 400 500 A: What is random sampling? What do you call it when each person has an equal and fair chance to be chosen? Vocabulary 200

31. K. Martin Answer 100 200 300 400 500 A: What is probability? What do they call the likelihood of something occurring? Vocabulary 300

32. K. Martin Answer 100 200 300 400 500 A: What is biased sample? What do you call a sample that does not represent the population? Vocabulary 400

33. K. Martin Answer 100 200 300 400 500 A: What is dependent event? What do you call an event when the probability changes each time? Vocabulary 500

34. K. Martin Question A: What are Correct Response Here? Prompt Here (the “Answer”) Final Jeopardy 100 200 300 400 500