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Directions Each team will be selected by random draw The teams all start with no points A question will be posted that all teams will answer as a group Team 1 will be given the opportunity to answer Next question will go to Team 2 first, and so on.

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Directions If Team 1 answers their question correctly: – They earn 2 points – One team member picks a card If Team 1 answers incorrectly: – Then team 2 gets the opportunity to steal Play continues until the end of class Winning team will get a small prize

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Question 1 Over a span of 12 hours, a particular geyser in a National Park erupted 10 times. The lengths, in minutes, of the eruptions are shown below. 2.1 5.3 5.6 3.3 4.5 1.5 1.7 3.7 1.9 1.3 What is the average length of the eruptions? 3.09

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Question 2 Find the range of the numbers below. 58 40 41 52 64 58 46 61 24

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Question 3 Find the median of the numbers below. 56 35 39 51 60 56 48 58 53.5

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Question 4 Find the mode(s) of the numbers below. 47 65 62 43 49 47 63 44 47

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Question 5 The line graph shows the number of entries in the Albuquerque Balloon Fiesta from 1995 to 2000. How many balloons were entered in 1996? 800

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Question 6 Two hundred sixth and seventh grade students were asked to name their favorite zoo animal. The results are shown in the table. Which bar graph matches the results? Favorite Zoo Animal Zoo animalStudents Lion55 Giraffe43 Monkey19 Elephant34 Other49 A B C

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Question 7 In the line plot below – how many students scored above a 95%? 6

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Question 8 Which is the best type of graph to use to compare the number of teachers in each school in a city? Bar graph

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Question 9 The prices of the watches at a store are displayed in the box-and-whisker plot below. If all of the watches under $31 are on sale, then about what fraction of the watches are on sale? 1/4

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Question 10 The prices of the watches at a store are displayed in the box-and-whisker plot below. What is the lower quartile? 31

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Question 11 The number of named stars in a group of 34 constellations are listed below. 5, 5, 5, 9, 7, 7, 1, 6, 11, 3, 4, 3, 1, 2, 15, 11, 0, 10, 0, 6, 2, 6, 13, 9, 1, 0, 12, 10, 1, 1, 2, 13, 10, 2 If a frequency table is make with the intervals 0-3, 4-7, 8-11, and 12-15 What is the frequency for the interval 0-3? 14

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Question 12 The histogram shows the butterflies spotted in a butterfly garden between 8 A.M. and 8 P.M. During what time interval was the number of butterflies in the garden the greatest? Between 8:01 and 10:00 am

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Question 13 Which of the following is an accurate histogram of the data in the table below? LengthFrequency 3 - 4.95 5 - 6.917 7 - 8.92 9 - 10.96 11 - 12.91 13 - 14.94 A B C D

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Question 14 A marine biologist wants to display the lengths of manatees living in a Florida waterway. What data display(s) should he use to see how the data are distributed, without displaying individual data? Box and whisker plot

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Question 15 Tell which of the two given types of data displays would be appropriate for the set of data: bar graph or histogram? Bar graph

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Question 16 What is the best type of graph to use to show how the cost of school lunches has changed from 1994 – 2014? Line graph

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7.7 Statistics and Statistical Graphs. Learning Targets Students should be able to… Use measures of central tendency and measures of dispersion to describe.

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