Math 1: Algebra, Geometry and Statistics Ms. Sheppard-Brick 617.596.4133 http://lps.lexingtonma.org/Page/2434 Name: Date: Exit Ticket 79 – Measures of Center – Section 6.02 CORE A. Find the mean, median, and mode for each data set. Show work whenever possible. Round to the nearest hundredth. 1. Ira made the line plot below to show the number of words spelled correctly by each person in a spelling bee. Mean: Median: Mode: 2. A teacher recorded the height of each student in a class. The bar graph below shows the number of students at each height. Mean: Median: Mode: 3. The table below shows the distances jumped by 6 Olympic gold medalists. Mean: Median: Mode: Gold Medalist Frank Irons Albert Gutterson William Petersson DeHart Hubbard Ed Hamm Ed Gordon Distance (meters) 7.48 7.60 7.15 7.44 7.73 7.64 Math 1: Algebra, Geometry and Statistics Ms. Sheppard-Brick 617.596.4133 http://lps.lexingtonma.org/Page/2434 Name: Date: B. Create a data set with 6 values that has each description. 1. The mean of the data set is 45. 2. The median of the data set is 38.5. 3. The mode of the data set is 82. 4. The mean of the data set is 50 and the median is 54. EXTENSION C. Use your knowledge of measures of center to answer each question. 1. Mariam’s goal is to earn a 92% for the year in math. She has earned an 88%, 95%, and an 87%. What does she have to earn in quarter 4 in order to earn a 92% average for the year? 2. The median height of Sima’s plants is 45 inches. If five of her plants have heights 12 in, 35 in, 45 in, 60 in, and 72 in, what must the height of the sixth plant be?
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