Archive for the ‘economics’ Category

Making Box Plots on Ti-84

August 15, 2017

Quick graphs on the Ti-84 is a good way to  see how data is distributed.  The attached document gives step by step instructions along with an example to practice.

Making a Box Plot on the TI 84

VC Firms Use Big Data to Seek Out the Next Big Thing

April 25, 2017

Venture Capital firms, that is, firms that invest in funding start-ups, early stage  companies, and companies with good growth potential, are always on the hunt for the next great opportunity.  The article below talks about the trend away from people who are expert in spotting such opportunities, and towards computer based analytics which is believed to be faster and better at finding the “next big thing.”

Venture-Capital Firms Use Big Data to Seek Out the Next Big Thing – WSJ

 

Statistically Counting Lost Luggage as Not Lost

March 30, 2017

“An innovation aiming to streamline how air passengers reconnect with their lost luggage comes with a major asterisk: airline would no longer count the luggage as lost.”  Using text messaging, airlines could advise you that your bags did not make your flight, and you can give them instructions via text where they should send the lost bags.

DOT statisticians will not count those bags as lost, and airlines can maintain goods stats while perhaps not performing so well.  You say, “They’re not lost, because we know where they are.”  I say, “They’re lost because they are not where they belong.”

Whoever said statistics was an exact science?

For the full article in the Wall Street Journal, click here:

counting Lost Baggage

Economics Should be Required in High School

March 3, 2017

Economics is so basic and essential for good citizenship and good personal decisions, that it is a shame high school students can graduate without even being exposed to the subject.  An article by high schooler Benjamin Auslin from Montgomery Blair High School in Silver Spring, Maryland, makes a strong argument that understanding supply and demand, the time value of money, return on investment and the basics of personal finance are skills that would well serve the graduates and society.

economics-shouldnt-be-an-elective-wsj