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Chapter 10 Section 1, 3-4

Chapter 10 Section 1, 3-4. Warm-Up. List the data in order from least to greatest. 1.) 23, 45, 61, 87, 91, 16, 22, 52 2.) 4.1, 4.2, 4.13, 4.15, 4.3 3.) 132, 116, 108, 191, 125, 132 4.) 7.25, 7.3, 7.08, 7.9, 7.62. Warm-Up 2. List the data in order from least to greatest.

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Chapter 10 Section 1, 3-4

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  1. Chapter 10 Section 1, 3-4

  2. Warm-Up • List the data in order from least to greatest. • 1.) 23, 45, 61, 87, 91, 16, 22, 52 • 2.) 4.1, 4.2, 4.13, 4.15, 4.3 • 3.) 132, 116, 108, 191, 125, 132 • 4.) 7.25, 7.3, 7.08, 7.9, 7.62

  3. Warm-Up 2 • List the data in order from least to greatest. • 1.) 32, 31, 34, 30, 13, 33 • 2.) 121, 119, 137, 125, 129 • 3.) 11.1, 10.9, 11.3, 11.5, 10.2 • 4.) -4, -5, 0, -1, 2, -3

  4. Notes • A frequency table is a table that lists each item in a data set with the number of times the item occurs • A line plot is a graph that shows the shape of a data set by stacking X’s above each data value on a number line • A histogram is a bar graph with not spaces between the bars

  5. Example(s) • Make a frequency table of each set of data. • 1.) tickets sold per day 45 48 51 53 50 46 46 50 51 48 46 45 50 49 46

  6. Example(s) • Make a frequency table of each set of data. • 2.) ages of students 13 12 14 12 11 12 13 14 11 13 13 14 11 12 12 13 11

  7. Example(s) • Make a line plot of each set of data. • 3.) number of plants sold per person 5 10 11 8 7 11 9 8 6 6 7 12 10 10 9 8 7

  8. Warm-Up • Find the median of each set of data. • 1.) 24, 42, 51, 25, 63 • 2.) 38, 30, 26, 20, 32, 48 • 3.) 2.1, 3.2, 4.8, 5.6, 3.1, 2.6 • 4.) 5.8, 6.9, 7.4, 3.9, 6.4

  9. Chapter 11 Section 3 Notes • A stem-and-leaf plot is a graph that uses the digits of each number to show the shape of the data • A box-and-whisker plot is a graph that summarizes a data set along a number line

  10. Steps for making a stem-and-leaf plot Step 1: Choose the stems. The stems are made using the values in the ones place Step 2: Find the leaves. The leaves are the values in the tenth place. ***i.e. Using the number 23, 2 would be the stem and 3 would be the leaf Step 3: Order the leaves from least to greatest. A key explains what your stems and leaves represent. Add a title.

  11. Example Ex. 1) Draw a stem-and-leaf plot for the heights of giant sunflowers. 98 99 94 87 83 74 69 88 78 99 100 87 77

  12. Steps for making a box-and-whisker plot • Step 1: Order the data from least to greatest • Step 2: Find the middle quartile by finding the median of the entire data set.(The median divides the data into two parts • Step 3: Find the lower quartile by finding the median of the lower parts • Step 4: Find the upper quartile by finding the median of the upper parts • Step 5:Find the lowest and highest value of the data set

  13. Example Ex. 2) Make a box-and-whisker plot for each set of data. Number of customers at a coffee house 2 5 3 7 7 8 10 8 14 15 14 15 12 10 10 8 9 7 8 5 2 5 4 3

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