Which data set has the same standard deviation as the data set {1, 1, 3, 5, 8} ? {1, 1, 1, 2, 2} open curly brackets 1 comma 1 comma 1 comma 2 comma 2 close curly brackets {9, 8, 9, 8, 9} open curly brackets 9 comma 8 comma 9 comma 8 comma 9 close curly brackets {2, 2, 4, 6, 9} open curly brackets 2 comma 2 comma 4 comma 6 comma 9 close curly brackets {1, 2, 6, 6, 9}