MS 150 Statistics Quiz 02 Spring 2002

Speed in meters per second
Dolon Pass 2.75
Turn-off for Nahnpohnmal 4.00
Bottom of the beast 2.50
Top of the beast 2.22
Track West 3.09
PICS 6.67

For the above data:

  1. __________ Calculate the sample mean xbarbig.gif (851 bytes):

  2. __________ Calculate the sample standard deviation sx

  3. __________ Calculate the Coefficient of Variation

relationshipsq03.gif (3389 bytes)

  1. ____________ Which of the above graph(s) depict a relationship that is linear (list all of the letters that apply)?

  2. ____________ Which of the above graph(s) depict a relationship that is non-linear?

  3. ____________ Which of the above graph(s) depict no relationship?

  4. ____________ Which of the above graph(s) depict a relationship that is negative linear relationship?

  5. ____________ Which of the above graph(s) depict a relationship that is a perfect linear relationship?