Quantitative Analysis for Business

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PROBABILITY

 

 

 

 

 

Part I  Maximum and Minimum Temperatures

 

 

 

Search the Internet for U.S. climate data.

 

 

 

Choose the city in which you are near. 

 

 

 

Click on the tab that reads “Daily.” 

 

 

 

Complete the following tasks:

 

 

 

 

 

 

 

1.     Prepare a data spreadsheet with three columns:  Date, High Temperature, and Low Temperature.  List the past 60 days for which data is available.

 

 

 

 

 

 

 

1.1  Prepare ahistogram for the data on high temperatures and comment on the shape of the distribution as observed from these graphs.

 

 

 

 

 

 

 

1.2  Calculate and S.  What percentage of the high temperatures are within the interval  – S to + S? What percentage of the high temperatures are within the interval  – 2S to + 2S? How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)?

 

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