Question: . Are the means for the two groups significantly different? a. How do you know? 2. Did your randomization procedure work to produce two equivalent

. Are the means for the two groups significantly different? a. How do you know? 2. Did your randomization procedure "work" to produce two equivalent groups? a. Why or why not? 3. Explain why it is important to have good randomization before introducing an intervention when conducting a randomized control trial. a. What is the role of randomization? b. How would "bad" randomization threaten your findings? c. What could you do if you have "bad" randomization?

	Variable 1	Variable 2
Mean	235.5384615	0.55024908
Variance	6501.778462	0.07500036
Observations	26	26
Pooled Variance	3250.926731
Hypothesized Mean Difference	0
df	50
t Stat	14.85984102
P(T	2.81282E-20
t Critical one-tail	1.675905025
P(T	5.62563E-20
t Critical two-tail	2.008559112

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