• Tell the class what the easiest step was for you.
• Tell the class what the most difficult step was for you, if any.
• What tool did you use to solve this (i.e. Excel, by hand).

A researcher wants to calculate z-scores from the below data set.

1. Calculate the z-scores for all height (inches). But first, you must calculate the mean and standard deviation.

. Note: You can calculate by hand or use z-score calculators online.

Swim Team Heights (Inches)

60

67

55

61

59

70

65

64

63

72