Chapter 1 Review MDM 4U

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Chapter 1 ReviewMDM 4U

• Gary Greer

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1.1 Displaying Data Visually

• What is data?
• Types of data
• Nominal, ordinal, interval, ratio
• Discrete, continuous
• What is a population? A census? A sample?
• What is representative data?

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1.1 Displaying Data Visually

• Frequency Table, Stem and Leaf Plot
• Measures of central tendency
• Bar Graphs, Histograms
• Pie Graphs, Box and Whisker Plots
• Broken Line Graphs

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1.2 One Variable Data

• When can we draw conclusions?
• Correlations
• Causal Relationships

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1.3 Visualizing Trends

• Independent and Dependent Variables
• Scatter Plots and Correlations
• Trends positive, negative, weak, strong
• Best Fit, Least Squares Line, Median-Median Line

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1.4 Trends in Technology

• Regression (linear or non-linear)
• Correlation Coefficient
• Coefficient of Determination
• Residuals