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Published byElaine Bibbs Modified over 4 years ago

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Introduction to Stats Honors Analysis

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Data Analysis Individuals: Objects described by a set of data. (Ex: People, animals, things) Variable: Any characteristic of an individual. Can take different values for different individuals. Categorical Variable: Places individual into one of several groups or categories. Quantitative Variable: Numerical data (for which it makes sense to make mathematical calculations)

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Frequency Table Titanic Passengers By Ticket Class

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Relative Frequency Table (percents) Titanic Passengers By Ticket Class

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BAR CHART People on the Titanic (By Ticket Class)

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Pie Chart Titanic Passengers By Ticket Class

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Whats Wrong With This Graph?

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Two-Way Tables (Contingency Tables) Compares two kinds of data (in this case, survival and ticket class)

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Marginal Distributions

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Conditional Distributions Calculate row or column percentages

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Conditional Distributions Calculate row or column percentages

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Segmented Bar Chart Survival By Class

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Comparative Bar Chart Ideal Distance from College to Home Why is this not an ideal display???

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Comparative Bar Chart Ideal Distance from College to Home Why is this a better display?

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Stemplot

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Back-to-Back Stemplot

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Dot Plot

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Histogram

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+ Warm Up Which of these variables are categorical? Which are quantitative?

+ Warm Up Which of these variables are categorical? Which are quantitative?

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