Janna is her chorus collect money to fund a field trip. each bar of toffee sells for $1.25 and each box contains 30 bars. write an equation for the amount of money, m, that will be collected if 'b' boxes of chocolate bars? which is the independent and dependent variable?

#12 find the value of x. #13 find the value of the variable.

Which expression will have the same sum as 3_8 + 1/4?

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.