Joe, Two important points you bring up: Do not round intermediate values in a string of calculations. Wait until the very last step/answer to round to the number of decimals required by MyStatLab. On this problem and many others in this course, rounding too early can lead to wrong answers. In the instructor view, I …
I get frequent emails from students complaining that they had the right answer, but MyStatLab did not give them credit. Often, when I am reviewing their claim, I find that they did not enter the required number of decimal places. But sometimes, I find the student mistake was rounding prematurely in an intermediate step. The general …
StatCrunch is a great statistical analysis app that resides on the web and thus works equally well for both PC and MAC users. If you are taking a stats course and do not have good Excel skills, I suggest you consider learning to use StatCrunch. My sense is that students find StatCrunch’s learning curve, the …