GENDER AGE HANDEDNESS #min exercise Daily Calories Cigarettes smoked per day Alcohol weekly Sel-Esteem Life Satisfaction Female 18 RIGHT 0 2773 0 2 10 9 Female 19 RIGHT 0 3104 7 20 5 3 Female 20 LEFT 0 3500 9 0 8 7 Male 21 RIGHT 120 2816 14 4 1 10 Female 22 RIGHT 140 2491 8 8 2 4 Female 23 LEFT 180 2600 6 12 4 9 Male 24 RIGHT 60 1900 3 4 7 1 Male 25 LEFT 80 2569 9 1 3 2 Female 26 LEFT 90 3063 0 2 6 4 Male 27 RIGHT 0 2264 21 9 9 1 Female 28 RIGHT 0 2912 5 8 0 5 Male 29 LEFT 30 2185 2 12 8 9 Female 30 LEFT 55 1664 10 15 5 7 Male 31 LEFT 200 3000 18 20 10 4 Female 32 LEFT 100 3016 20 9 3 6 Male 33 RIGHT 90 2597 11 5 9 5 Female 34 RIGHT 160 2999 5 4 0 0 Male 35 LEFT 190 3157 6 2 2 2 Female 36 RIGHT 240 2072 3 0 7 7 Male 37 LEFT 220 2200 1 9 4 3

Using any of the StatCrunch project variables above, do the following:

1. do a null hypothesis and a directional experimental hypothesis.
2. Using different variables create a null hypothesis and a non-directional experimental hypothesis.
3. Explain for both of experimental hypotheses whether to conduct a one or two tailed test and why.