# ec-33 - 1 February 12, 2009 It is E370 Time! Announcements...

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1 February 12, 2009 It is E370 Time!!! Announcements Today’s Goals: You should be able to give an example of different methods of sampling. organize and graphically represent data of any kind. decide what sort of graph is appropriate to use to display the data. define what is meant by “distribution.” Next Time: Descriptive Statistics Announcements Please sit in your assigned seats. The first homework will be assigned today for Homework Manager Plus. It will be due next week. Statistical Graphs Why Graph? Organize data. Condense data. Display data. Reveal meaning in data. What is the first question one should ask every time one begins to work with data? What is the first thing one does to the data?

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2 What graphs are appropriate for Qualitative Data? How are axes labeled, for those graphs with axes? Examine this graph. Based on your knowledge of graphs, describe the data being represented.
3 What graphs are appropriate for Quantitative Data? How are the axes labeled? Examine this graph. Based on your knowledge of graphs, describe the data being represented.

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4 The Dot Plot–Graph Shorthand Sort the data into an ordered array. Determine the lowest and highest values. Draw a line and mark a sufficient number of spaces of equal size to accommodate all possible values between the lowest and highest values.
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## This note was uploaded on 04/19/2011 for the course ECON 200 taught by Professor Staff during the Winter '09 term at Indiana.

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ec-33 - 1 February 12, 2009 It is E370 Time! Announcements...

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