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• You will work in teams. • Teams will rotate choosing the question • The team that chooses the question get the first chance to answer. • If they get it incorrect, the other teams can steal for half of the value of the problem. • The miscellaneous category cannot be chosen twice in a row. Summalculating Center Yourself It’s Like Spreading Butter The Data Makes PERfect CENTS Wis Trivia 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 100 Calculate 5 ( 2 t 1 ) 2 t 2 112 Score 200 Let m1 = 2, m2 = 7, m3 = 4, m4 = 9, m5 = 13 Find 4 2 i i 1 m 2 148 Score 300 Give a situation that would have a histogram with the following shape. Answers will vary Score 400 Margaret Averaged 83 on her first 6 quizzes. She wants to get an average of 85 on her quizzes. What would she need to get on her 7th quiz to bring her average up to an 85? 97 Score 500 If the class average on a test in period 3 was 75 for 24 students and the average for period 6 was 83 with 27 students, what was the average of both classes combined? 79.24 Score 100 Find the five number summary for the following set of data. 9, 26, 12, 36, 13, 14, 25, 15, 16, 24, 21, 9, 14 Min 9 Q1 13.5 Med 15.5 Q3 24.5 Max 36 Score The following set of data describes the number of candy bars sold by each member of the AV Club. The vertical axis shows the number of candy bars sold and the horizontal shows how many students sold that number. What is the mean of the data. 200 53.33333333333 candy bars Score The previous set of data describes the number of candy bars sold by each member of the AV Club. The vertical axis shows the number of candy bars sold and the horizontal shows how many students sold that number. What are the median and mode of the data. 300 55 40 Score 400 Find a data set with five numbers that has the following properties Mode 23 Max 30 Mean 26 23 23 25 29 30 OR 23 23 26 28 30 Score 500 Write the formula for the mean of the sequence a1, a2, a3, …., an Using summation notation. n ai i 1 n Score 100 Find the standard deviation of the set rounded to the nearest hundredth. 10, 18, 30, 8, 14, 40 12.52 Score 200 Explain how you find an outlier in a one-variable data set 1. Five number summary 2. Find the IQR 3. Take IQR x 1.5 4. Add that value to Q3 and subtract it from Q1 5. Anything outside of these values is an outlier Score 300 Find three of the four measures of spread for the following data. 6 8 9 12 15 17 11 range 7 IQR 4.26 S.D. 18.17 Var Score 400 Consider the following data. 3, 4, 5, 5, 7, 7, 7, 8, 8, 9, 10, 11, 11, 12, 12, 12, 13 If you changed one of the 5’s to a 7 and one of the 12’s to a 10 What would happen to the data’s mean and standard deviation? Mean would stay the same The standard deviation would decrease Score 500 Write the formula for the standard deviation of the set x1, x2, x3, …., xn using summation notation. n ( xi x ) 2 i 1 n 1 Score 100 Between which two values is the 23rd percentile? -4 30 45 52 60 -4 and 30 Score 200 What are the outliers of the following data? -4 30 45 52 60 -4 Score 300 Consider the following data. Which value is at the 70th percentile A B C C C D E F G H I J M M N N N P Q S N Score 400 According to the following table, what speed is at the 85th percentile? 499 students Score 500 Jake took the SAT along with 2499 other students. If he scored at the 82nd percentile, how many students scored higher than him? 499 students Score 100 What is the Wisconsin State Bird? Robin Score 200 Name all of the states that share a border with Wisconsin. Illinois Minnesota Michigan Iowa Score 300 Name 3 players on the 1982 Brewer playoff team. C 1B 2B 3B SS LF CF RF DH Ted Simmons Cecil Cooper Jim Gantner Paul Molitor Robin Yount Ben Oglivie Gorman Thomas Charlie Moore Roy Howell Don Money Marshall Edwards Ed Romero Mark Brouhard Ned Yost Larry Hisle Rob Picciolo Kevin Bass Bob Skube SP SP SP SP SP SP SP CL RP RP RP RP Mike Caldwell Pete Vuckovich Moose Haas Bob McClure Randy Lerch Doc Medich Don Sutton Rollie Fingers Dwight Bernard Jim Slaton Jamie Easterly Jerry Augustine Pete Ladd Chuck Porter Doug Jones Score 400 What explorer was credited as the founder of Wisconsin (1634)? Jean Nicolet Score 500 What is the name of the cross country ski race the is held in Hayward, WI which is the largest of its kind in North America? The American Birkebeiner Score Scoreboard 1 2 3 4 5 6 Score