For the past three months grace used her cell phone for 43 minutes 62 minutes and 57 minutes how many minutes would you have to use her cell phone this month for the average usage over the four months to be 55 minutes

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

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.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,