Answer:
The following are each student's z-scores
Jordan = 2
Jake = -2.5
Jacob = 0
Step-by-step explanation:
To find each of these, use the formula given in the picture. The x value will be the student's height. The mu (or funny looking m) will be the mean. And the sigma (the o with a line) is the standard deviation.
Jordan
z = (x - m)/o
z = (53 - 49)/2
z = 4/2
z = 2
Jake
z = (x - m)/o
z = (44 - 49)/2
z = -5/2
z = -2.5
Jacob
z = (x - m)/o
z = (49 - 49)/2
z = 0/2
z = 0
