1) Test the null hypotheses that urban and rural residents have the same attitudes toward gun control. Group 1 6.50 9.90 6.80 4.80 4.00 5.26 8.00 4.23 6.95 5.96 9.25 6.36 8.99 5.58 6.60 5.00 . Group 2 7.90 4.30 6.80 6.50 3.30 13.17 9.25 1.25 6.74 5.25 2.36 4.25 1.00 3.50

2)Null hypotheses that there is no difference in cracker preference between Nibbles and Wribbles. Nibbles 9 3 1 6 5 7 8 3 10 3 5 2 9 6 2 5 8 1 6 3 . Wribbles 4 7 6 8 7 7 8 6 7 8 9 8 7 3 6 7 6 5 5 6.