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Bio-Statistic KUEU 3146 & KBEB 3153 Bio-Statistic

Bio-Statistic KUEU 3146 & KBEB 3153 Bio-Statistic. Data grouping and presentations Part I: Organizing and Displaying Data. Organizing and Displaying Data. Frequency Table Histogram Bar Chart Pie Chart. Frequency Tables.

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Bio-Statistic KUEU 3146 & KBEB 3153 Bio-Statistic

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  1. Bio-Statistic KUEU 3146 & KBEB 3153Bio-Statistic Data grouping and presentations Part I: Organizing and Displaying Data

  2. Organizing and Displaying Data • Frequency Table • Histogram • Bar Chart • Pie Chart

  3. Frequency Tables • Compute the interval spanned by the data by arranging the data into an array, a list of all observation from smallest to largest. • Class Interval is normally between 5-15 classes. • Class Limits are the smallest and the largest number of each class. • Class Frequency is the number of observation falling into any class interval. • Relative Frequency represents the percentage relative to total of any class interval.

  4. Frequency Table For Systolic Blood Pressure of Nonsmokers

  5. Frequency Table For Systolic Blood Pressure of Smokers

  6. Frequency Tables • Class boundaries or True limits are that demarcate the true upper limit of one class and the lower limit of the next. Example the class boundary between class 90-109 and 110-129 is 109.5. • Cumulative relative Frequency also known as cumulative percentage

  7. Comparision of Systolic Blood Pressure Between Smokers and Nonsmokers

  8. Histogram Frequency 25 20 15 10 5 89.5 109.5 129.5 149.5 169.5 189.5 Systolic Blood Pressure (mmHg) of Nonsmokers

  9. Frequency Polygon Frequency 25 20 15 10 5 79.5 99.5 119.5 139.5 159.5 179.5 199.5 Systolic Blood Pressure (mmHg) of Nonsmokers

  10. Cumulative Frequency Polygon Frequency 1.0 0.8 0.6 0.4 0.2 89.5 129.5 169.5 209.5 109.5 149.5 189.5 Systolic Blood Pressure (mmHg) of Nonsmokers

  11. Bar Chart Relative Frequency 0.5 0.4 0.3 0.2 0.1 Pizza Hut KFC A&W Fast Food Outlet Visited by UM Student

  12. Pie Chart

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