In a population distribution, a score of X = 28 cor- responds to z = −1.00 and a score of X = 34 cor- responds to z = −0.50. Find the mean and standard deviation for the population. (Hint: Sketch the...

In a population distribution, a score of X = 28 cor- responds to z = −1.00 and a score of X = 34 cor- responds to z = −0.50. Find the mean and standard deviation for the population. (Hint: Sketch the distribution and locate the two scores on your sketch.)