The following dot plot represents student scores on the unit 1 math test. scores are in whole number increments.

part 1: what is the mean score, rounded to the nearest whole number?

part 2: what is the median score?

part 3: what is the mode score?

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 owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Write the factored form of this trinomial 9x^2+18x-7