Chapter 8 Review Showdown

Question #1 Which words can be used to describe the graph? December 9, 2018 Question #1 Which words can be used to describe the graph? Symmetrical 2 Asymmetrical 3 Single-Peaked 1 Double-Peaked 4 Skewed 0 10 20 30 60

Question #1 Which words can be used to describe the graph? December 9, 2018 Question #1 Which words can be used to describe the graph? Symmetrical 2 Asymmetrical 3 Single-Peaked 1 Double-Peaked 4 Skewed 0 10 20 30 60

Question #2 2 3 Which number would be considered the 1 outlier? 1 4 December 9, 2018 Question #2 The following scores were used to make the histogram: 11, 23, 4, 29, 65, 6 2 3 Which number would be considered the 1 outlier? 1 4 0 10 20 30 60

Question #2 2 3 Which number would be considered the 1 outlier? 1 4 December 9, 2018 Question #2 The following scores were used to make the histogram: 11, 23, 4, 29, 65, 6 2 3 Which number would be considered the 1 outlier? 1 4 0 10 20 30 60

Question #3 Which bin number would 21 go in? 2 3 1 4 0 10 20 30 60 December 9, 2018 Question #3 Which bin number would 21 go in? 2 3 1 4 0 10 20 30 60

Question #3 Which bin number would 21 go in? 3 2 3 1 4 0 10 20 30 60 December 9, 2018 Question #3 Which bin number would 21 go in? 3 2 3 1 4 0 10 20 30 60

December 9, 2018 Question #4 Ellie runs 34 miles every two weeks. How many weeks will it take her to run 204 miles? Find the unit rate, then write an equation and solve.

December 9, 2018 Question #4 Ellie runs 34 miles every two weeks. How many weeks will it take her to run 204 miles? Find the unit rate, then write an equation & solve. 34/2= 17 miles per week 17w=204 w=12

December 9, 2018 Question #5 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the median average?

December 9, 2018 Question #5 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the median average? 35

December 9, 2018 Question #6 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the highest average?

December 9, 2018 Question #6 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the highest average? 50

December 9, 2018 Question #7 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the lowest average?

December 9, 2018 Question #7 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the lowest average? 25

December 9, 2018 Question #8 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 Can you tell how many students are in Mrs. Moore’s class?

December 9, 2018 Question #8 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 Can you tell how many students are in Mrs. Moore’s class? No, because it doesn’t give exact averages.

December 9, 2018 Question #9 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the Interquartile Range (IQR) in this plot?

December 9, 2018 Question #9 The box plot below shows Mrs. Moore’s class averages for the 3rd 9 weeks. 20 25 30 35 40 45 50 55 60 What is the Interquartile Range (IQR) in this plot? 38-33= 5

Question #10 Explain how you know this distribution is not symmetric. December 9, 2018 Question #10 Explain how you know this distribution is not symmetric.

December 9, 2018 Question #10 Explain how you know this distribution is not symmetric. If you were to cut the box plot in half, the halves would not be the same or very similar.

Question #11 Is the distribution skewed left or skewed right? December 9, 2018 Question #11 Is the distribution skewed left or skewed right?

Question #11 Is the distribution skewed left or skewed right? December 9, 2018 Question #11 Is the distribution skewed left or skewed right? Skewed right, because the whisker on the right is longer, making the distribution skewed right.

December 9, 2018 Question #12 Describe the center and spread of the distribution. Justify your choice based on the shape of the distribution. A) Skewed B) Symmetrical C) Asymmetrical

December 9, 2018 Question #12 Describe the center and spread of the distribution. Justify your choice based on the shape of the distribution. A) Skewed B) Symmetrical C) Asymmetrical

Question #13 Which of the following statements are false? December 9, 2018 Question #13 Which of the following statements are false? a) The distribution is symmetric. b) The distribution is asymmetric. c) The distribution has an outlier. d) The distribution has a gap of data.

Question #13 Which of the following statements are false? December 9, 2018 Question #13 Which of the following statements are false? a) The distribution is symmetric. b) The distribution is asymmetric. c) The distribution has an outlier. d) The distribution has a gap of data.

Question #14 x x x x x x x x x x x x 8 9 10 11 12 13 14 15 December 9, 2018 Question #14 x x x x x x x x x x x x 8 9 10 11 12 13 14 15 Which measure is the most appropriate to describe the variation (spread) of the distribution? Interquartile Range Mean Mean Absolute Deviation Median

Question #14 x x x x x x x x x x x x 8 9 10 11 12 13 14 15 December 9, 2018 Question #14 x x x x x x x x x x x x 8 9 10 11 12 13 14 15 Which measure is the most appropriate to describe the variation (spread) of the distribution? Interquartile Range Mean Mean Absolute Deviation Median

December 9, 2018 Question # 15 Create a dot plot from the frequency of soccer points scored. How could you describe the shape using vocabulary words? Symmetrical Asymmetrical Double-peaked Single-peaked Uniform Skewed Points Frequency 2 1 3 7 4 5 6

Question # 15 x x x x x x x x x x x x x x x x x x x x Points Frequency December 9, 2018 Question # 15 x x x x x x x x x x x x x x x x x x x x Points Frequency 2 1 3 7 4 5 6 0 1 2 3 4 5 6 B) Asymmetrical D) Single-Peaked

Question # 16 How many points were scored during the game? Points December 9, 2018 Question # 16 How many points were scored during the game? Points Frequency 2 1 3 7 4 5 6

Question # 16 How many points were scored during the game? 73 Points December 9, 2018 Question # 16 How many points were scored during the game? 73 Points Frequency 2 1 3 7 4 5 6

December 9, 2018 Question # 17 What is the mean of the data? (Stop 2 places after the decimal.) What does this number represent? Points Frequency 2 1 3 7 4 5 6

December 9, 2018 Question # 17 What is the mean of the data? What does this number represent? 3.31 The mean represents the average number of points scored during the game. Points Frequency 2 1 3 7 4 5 6

Question #18 Tell if the following question is statistical or not. December 9, 2018 Question #18 Tell if the following question is statistical or not. How many fish does each student have?

Question #18 Tell if the following question is statistical or not. December 9, 2018 Question #18 Tell if the following question is statistical or not. How many fish does each student have? Statistical

Question #19 Tell if the following question is statistical or not. December 9, 2018 Question #19 Tell if the following question is statistical or not. What kind of fish does each student have?

Question #19 Tell if the following question is statistical or not. December 9, 2018 Question #19 Tell if the following question is statistical or not. What kind of fish does each student have? Statistical

Question #19 Tell if the following question is statistical or not. December 9, 2018 Question #19 Tell if the following question is statistical or not. What kind of fish do you have?

Question #19 Tell if the following question is statistical or not. December 9, 2018 Question #19 Tell if the following question is statistical or not. What kind of fish do you have? Not Statistical

Question #20 Tell if the following question is statistical or not. December 9, 2018 Question #20 Tell if the following question is statistical or not. What is the capital of Alabama?

Question #20 Tell if the following question is statistical or not. December 9, 2018 Question #20 Tell if the following question is statistical or not. What is the capital of Alabama? Not Statistical

Question #21 Tell if the following question is statistical or not. December 9, 2018 Question #21 Tell if the following question is statistical or not. What cities have each of your classmates gone to on vacation?

Question #21 Tell if the following question is statistical or not. December 9, 2018 Question #21 Tell if the following question is statistical or not. What cities have each of your classmates gone to on vacation? Statistical

Question #22 Tell if the following question is statistical or not. December 9, 2018 Question #22 Tell if the following question is statistical or not. How many cities have you visited?

Question #22 Tell if the following question is statistical or not. December 9, 2018 Question #22 Tell if the following question is statistical or not. How many cities have you visited? Not Statistical