Basic questions what is her sons average in english

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Basic Questions: What is her son’s average in English class now? (78 + 89 + 63 + 82 divided by 4 = 312/4 = 78%) Is this the mean, the median, or the mode? (mean)
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Lesson 13: Mean, Median, Mode, and Range D. Legault, Minnesota Literacy Council, 2014 10 Mathematical Reasoning Extension Question: By what percent does he need to increase his test scores? (2%) Does this mean he needs to get 80% on the last test? (No, 80% is the average of all 5 tests) What does he need to get on the last test to have an 80% average? o This question is challenging, but see if the students can talk it through. o (78 + 89 + 63 + 82 + x) ÷ 5 = 80 o 312 + x = 5 80 o x = 400 312 = 88% on the last test
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Lesson 13: Mean, Median, Mode, and Range D. Legault, Minnesota Literacy Council, 2014 11 Mathematical Reasoning Worksheet 13.3 Super Bowl Activity The Typical Super Bowl Score? Name_____________________________ How many points will be scored this Super Bowl? Round to the nearest hundredth when necessary. To get a clearer idea lets look at the last twelve Super Bowl scores: XLVII Feb. 3, 2013 Ravens 34, 49ers 31 XLVI Feb. 5, 2012 Giants 21, Patriots 17 XLV Feb. 6, 2011 Packers 31 Pittsburg 25 XLIV Feb. 7, 2010 Saints 31 Colts 17 XLIII Feb. 1, 2009 Pittsburgh 27 Arizona 23 XLII Feb. 3, 2008 New York 17, New England 14 XLI Feb. 4, 2007 Indianapolis 29, Chicago 17 XL Feb. 5, 2006 Pittsburgh 21, Seattle 10 XXXIX Feb. 6, 2005 New England 24, Philadelphia 21 XXXVIII Feb. 1, 2004 New England 32, Carolina 29 XXXVII Jan. 26, 2003 Tampa Bay 48, Oakland 21 XXXVI Feb. 3, 2002 New England 20, St. Louis 17 1. What is the mean score for the winning team in the Super Bowl? Make sure to show or explain your method. 2. What is the mean score for the losing team in the Super Bowl? Make sure to show or explain your method. 3. By using the mean of the winning and losing scores, what is the mean Super Bowl final score? By how many points on average does the winning team beat the losing team by? 4. Find the median score of the winning teams in the Super Bowl. Make sure to show or explain your method. 5. Find the median score of the losing teams in the Super Bowl. Make sure to show or explain your method.
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Lesson 13: Mean, Median, Mode, and Range D. Legault, Minnesota Literacy Council, 2014 12 Mathematical Reasoning Worksheet 13.3 [cont.] Super Bowl Activity 6. By using the median of the winning and losing scores, what is the median Super Bowl final score? Using the median, by how many points on does the winning team beat the losing team by? 7. Now that you have used both the mean and median to explore the typical Super Bowl score, which statistic seems to better represent the data? Why? 8. Looking at all scores, winning or losing, is there a mode of the data set? If so, what is it? Knowing what you know about football, does it make sense that this score would be the mode? 9. Another statistic that we have not talked about is the range. Find the range for each: a. Which of the twelve Super Bowls had the greatest range? Which Super Bowl was that and what was the range?
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Lesson 13: Mean, Median, Mode, and Range D. Legault, Minnesota Literacy Council, 2014 13 Mathematical Reasoning Worksheet 13.3 Super Bowl Activity Answers 1. What is the mean score for the winning team in the Super Bowl? Make sure to show or explain your method.
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