Which data set has the same standard deviation as the data set?
(3,2,5,6,8)
a) (4,3,6,7,9)
b) (1,3,4,7,9)
c) (1,2,1,2,1)
d) (4,4,5,5,5)

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?