- David Gurney
Move the seed slider to select a different version of the problem. Answer parts (a), (b) and (c). Click on the check boxes to see the answer to each part.
A version of this problem will be on the first test and on the final exam. Measurement variables result from measuring or counting, Categorical variables are not measurement variables. Discrete measurement variables have gaps between their possible values. Continuous measurement variables have no gaps between their possible values. An observational study records observations or measurements of subjects in a natural setting. An experiment records measurements or observations of subjects in a controlled setting. These problems are based on problems 13 through 28 on pages 21 and 22, and problems 5 through 8 on page 32 of Mario F. Triola, "Elementary Statistics", 12th edition, Pearson Education, Inc. 2014. Updated June 25, 2013 and July 23, 2013.