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Ioannes Oliveira

Student Instructions

4th Grade - Stem and Leaf Plot

After watching the video and adding notes to your notebook, if need. Please answer the following questions using the Stem-and-Leaf Plot in your notebook. Once you are done submit your answers. 1. Your class just took your last math test of the year. These are the scores: 97, 99, 81, 78, 73, 95, 33, 97, 64, 100, 85, 83, 85, 88, 79, 81, 93, 86, 83, and 71. a. What are the mean, median, and mode of the data? b. Describe the shape of the data set. Is it symmetric or are there extreme values in the low or high numbers? c. Given this information would you say that the students did well on the exam? Explain. 2. You decide to get odd jobs for the summer and you keep a log of your daily earnings. In one month you earned the following amounts: $12, $9, $15, $17, $20, $12, $9, $6, $13, $15, $11, $17, $18, $14, $15, $20, $25, $13. a. What are the mean, median, and mode of the data? b. If you worked approximately 4 hours a day, what was your average daily income?

4th Grade, Math
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