04+Ch02 - Chapter2 ThisWeek Lectures Today Hawkes NextWeek...

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BIT 2405 Quantitative Methods I Chapter 2
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This Week Lectures Hawkes Today
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Next Week Lectures Hawkes Hawkes 1.2, 2.2a & 2.2b due at 11:59 pm next Monday Night, 1/31.
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Scholar: Posted lecture slides. Discussion Forum is up and running. Optional HW1 - 5 are posted. Posted instructions on How to Create Practice  Tests: Resources > Hawkes Help
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Hawkes Certifications… You have “unlimited” attempts to certify  before the due date. Your Grade for a module is  100% if you submit the certification before by the due  date/time. 50% if you submit the certification one day late. 0% if you don’t certify or submit the certification more  than one day late. The number of attempts don’t count into your 
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Enter your SID  in your  My Profile  tab  in your Hawkes Progress Report Your VT SID is your unique, 9 digit  number. #########
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Questions?
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Chapter 2 Descriptive Statistics: Tabular and Graphical Presentations KEY Lecture # Chapter TEXT Quantitative Methods I, Hawkes Learning Systems: Statistics HLS Section Topic Section Topic 04 Ch02.ppt 2.1 Summarizing Categorical Data 2.2a Graphical Displays of Data: Pie Charts and Bar Graphs 2.2 Summarizing Quantitative Data 2.2b Graphical Displays of Data: Histograms, Polygons, Stem and Leaf Plots Today Topics
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Remember: To Collect Data You Have to Measure. Often the  INSTRUMENT for  MEASURING  CATEGORICAL DATA  is a SURVEY! Whereas  Measuring  QUANTITATIVE DATA  we use more familiar  MEASURING TOOLS. MEASURING TOOLS have a built-in SCALE OF MEASURE: Nominal, Ordinal, Interval, Ratio
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Summarizing Categorical Data Frequency Distribution Relative Frequency Distribution  Percent Frequency Distribution Bar Chart Pie Chart
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 A frequency distribution  is a tabular summary of  data showing the frequency (or number) of items  in each of several non-overlapping classes.  The objective is to provide insights  about the data  that cannot be quickly obtained by looking only at  the original data. Frequency Distribution
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Guests staying at Marada Inn were asked to rate the quality of their accommodations as being  excellent , above average average below average , or  poor .  The ratings provided by a sample of 20 guests are:    Below Average  Above Average  Above Average  Average  Above Average   Average  Above Average  Average   Above Average  Below Average  Poor  Excellent   Above Average  Average  Above Average  Above Average  Below Average  Poor  Above Average   Average Example:  Marada Inn Suppose YOU are the Manager of the Inn. What can you tell about your operation from looking at the 
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04+Ch02 - Chapter2 ThisWeek Lectures Today Hawkes NextWeek...

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