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Introduction to Stats Honors Analysis. Data Analysis Individuals: Objects described by a set of data. (Ex: People, animals, things) Variable: Any characteristic.

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Presentation on theme: "Introduction to Stats Honors Analysis. Data Analysis Individuals: Objects described by a set of data. (Ex: People, animals, things) Variable: Any characteristic."— Presentation transcript:

1 Introduction to Stats Honors Analysis

2 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)

3 Frequency Table Titanic Passengers By Ticket Class

4 Relative Frequency Table (percents) Titanic Passengers By Ticket Class

5 BAR CHART People on the Titanic (By Ticket Class)

6 Pie Chart Titanic Passengers By Ticket Class

7 Whats Wrong With This Graph?

8

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

10 Marginal Distributions

11 Conditional Distributions Calculate row or column percentages

12 Conditional Distributions Calculate row or column percentages

13 Segmented Bar Chart Survival By Class

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

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

16 Stemplot

17 Back-to-Back Stemplot

18 Dot Plot

19 Histogram


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