Phil is buying bags of grass seed. ● One brand, Quickgrow, says it covers 1/20 of an acre with 1/2 of a cup of seeds.
● The second brand, Greengrass, says that it covers 1/15 of an acre with 1/5 of a cup of seeds.
Which brand of seeds would cover the greatest area per cup?
The answer choices are
green grass
Neither
Both
Quickgrow

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.