Recent content by kma27

  1. K

    Undergrad Is r = –0.405 Significant at 5% for n = 22?

    Determine whether a correlation coefficient of r = –0.405 is significant at the 5% level for a sample size of 22.
  2. K

    Undergrad Validity Using Euler Circles and Truth Tables

    I'm so confused on how to tackle this problem: 1. Truth tables are related to Euler circles. Arguments in the form of Euler circles can be translated into statements using the basic connectives and the negation as follows: Let p be “The object belongs to set A. “Let q be...