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Heartbeats – period 5

Heartbeats – period 5. October 12, 2009. Numbers – in order. Mean, Median, Mode:. Mean: Median: Mode:. 80.1. 80. 72, 88, 92. Line Plot. 52 6 0 66 72 76 80 84 88 92 100 120 . Frequency Table. Stem and Leaf Plot. stem. leaf. 5. 2. 6. 0, 6. 7. 2 , 2, 2, 6 , 6, 6.

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Heartbeats – period 5

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  1. Heartbeats – period 5 October 12, 2009

  2. Numbers – in order

  3. Mean, Median, Mode: • Mean: • Median: • Mode: 80.1 80 72, 88, 92

  4. Line Plot 52 60 66 72 76 80 84 88 92 100 120

  5. Frequency Table

  6. Stem and Leaf Plot stem leaf 5 2 6 0, 6 7 2, 2, 2, 6, 6, 6 8 0, 0, 4, 8, 8, 8 9 2, 2, 2 10 0 12 0

  7. Box and Whisker Plot 80 72 • Find Q1 *Find Q2 • Find Q3 *Outliers? • Highest? *Lowest? Yes, 120 90 100 52 * 52 72 80 90 120 100

  8. Histogram • Range: 120– 52= 68 68/3 = 22.6667-> 23

  9. Why would a line graph be difficult to construct using our data? • What changed when the graph began at a different value on the vertical axis? • Will the mean always be higher than the median? • Looking at all of the graphs, which graph do you think gives you the most information? The least? • What is an advantage of a box and whisker plot?

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