The s relled on the groups with respect to extraneous variables that they did no

Question

The s relled on the groups with respect to extraneous variables that they did not control. One such extraneous variable was age. After random assignment to treatments, the researchers looked at the age distribution of the children in each of the two experimental groups (laparoscopic repair (LR) and open repair (0R)). The Siqure is from the paper. 2 Based on this figure, has the random assignment of subjects to experimental groups been successful in creating groups that are similar with 0 No, since both groups do not have the same number of children in them. o No, because the two groups do eot have the same maximum and minimum age No, the LR group has two distinct dusters of ages, ie the OR group has-severe outlet Type here to search DOLL

Explanation / Answer

Option 5 is correct

As Yes, thoughts there are some difference in the data, both sets are comparable

So that random assignment of subjects to treatment is successful in creating comparable data as they contain the similar distribution of data

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