1. Assume a researcher is interested in the association between height and a number of adverse events experienced by patients in his clinical trial. Assume the following table represents the heights (inches) for a SRS of participants in each arm of the study. Calculate the standard error for the difference in height between the two groups.

Placebo Intervention

64 75

63 70

62 71

74 67

70 66

67 68

67 69

Please show your work. I'm trying to understand it.