Descriptive Statistics
	quiz1	gpa	total	final
Skewness		-0.851		-0.220		-0.757		-0.341
Std. Error of Skewness		0.236		0.236		0.236		0.236
Kurtosis		0.162		-0.688		1.146		-0.277
Std. Error of Kurtosis		0.467		0.467		0.467		0.467

interpret the skewness and kurtosis values and determine whether the assumption of normality was violated or not violated. Does the skewness and kurtosis fall within the -2 and +2 range