Determine what the original populations might have been in each town. Show your thinking. a) The population of Town A increased by 10%.
The population of Town B decreased by 5%.
Now the populations of the two towns are 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.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years