Popular questions and responses by Jannel
  1. Statistics

    In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The

    asked on February 1, 2009
  2. statistics

    Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that

    asked on January 31, 2009
  3. Biology

    What would happen to a protein in this example if the 9th base in the original DNA strand was changed to thymine ?

    asked on February 18, 2010
  1. statistics

    I messed around the numbers and I sqrt .74 and added a negative sign to it and got it right. How do you know if it's a negative correlation?

    posted on February 1, 2009
  2. statistics

    I tried those answers and it didn't work. =(

    posted on February 1, 2009
  3. statistics

    Is it really A?

    posted on February 1, 2009
  4. 9th grade

    The lithosphere (geosphere) is the "solid" part of Earth. It has two parts, the crust and the upper mantle.

    posted on February 1, 2009