(Solved) If you randomly assign participants to groups, can you assume the groups are equivalent at the beginning of the study? At the end? Why? If you
Question: If you randomly assign participants to groups, can you assume the groups are equivalent at the beginning of the study? At the end? Why? If you cannot assume equivalence at either end, what can you do?
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![[All Steps] Consider the experiment of tossing](/images/solutions/MC-solution-library-74080.jpg "[All Steps] Consider the experiment of tossing three (fair) coins.")
[All Steps] Consider the experiment of tossing three (fair) coins.
![[All Steps] The joint probability density function](/images/solutions/MC-solution-library-74081.jpg "[All Steps] The joint probability density function of X and Y,")
[All Steps] The joint probability density function of X and Y,
(See) Suppose that X_i, i=1, ..., n, are iid from N(0, σ^2)
![[Solution Library] Suppose that X_i, i=1, ...,](/images/solutions/MC-solution-library-74083.jpg "[Solution Library] Suppose that X_i, i=1, ..., n, are iid from")
[Solution Library] Suppose that X_i, i=1, ..., n, are iid from
(Steps Shown) Components are made by three machines A, B and C.
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