On a new construction site, an electrician can install a new light fixture in 20 minutes. a project calls for 24 new fixtures to be installed on each of 4 floors. if a work day is 8 hours, how many work days will it take two electricians to complete the installations?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

How do you determine whether a relationship represented as as graph is linear or nonlinear

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.