Make up five data points and show that S1X 1 C2 = SX 1 NC, where C is any constant (e.g., 4) and N is the number of data points.
Answer to relevant QuestionsI have been (correctly) criticized for using “the number of hairs on a goat” as an example of a continuous variable in an earlier edition of this book. Why is this really a discrete variable? Would this alter how you ...There has recently been discussion on the Internet concerning whether the Shuffle feature on your iPod is truly random. (Well, some things really are more important than others!) How would you go about deciding whether the ...How would you describe the distributions of the grades of students who did, and did not, attend class in Figure 3.4? Why would you have expected this kind of distribution even before you saw the data? Moran (1974) presented data on the relationship, for Australian births, between maternal age and Down syndrome (a serious handicapping condition on which psychologists have done a lot of work). The data follow, though, in a ...As part of the Katz et al. (1990) study that examined test performance on a passage that a group of students had not read, the experimenters obtained the same kind of data from a smaller group of students who had read the ...
Post your question