Respuesta :
Answer:
B.) Flip a coin for each person on the list. If the coin comes up heads, they will be put in the group that exercises before lunch. If the coin comes up tails, they will be put in the group that exercises after lunch.
D.) The names are put into a bowl and mixed around. The first 50 names drawn will be put in the group that exercises before lunch, and the others will exercise after lunch.
Step-by-step explanation:
These are all the random ones I picked.
The two methods that can be adopted are Option 1 and 3
What do you understand by Random sampling ?
Random Sampling is the sampling method where samples are chosen randomly.
each unit has an equal chance of being selected in a sample.
It is given that
One hundred people are recruited for an experimental study to determine whether
exercising 30 minutes before lunch or 30 minutes after lunch will help improve heart health more.
They will be split into two groups that do not necessarily need to be the same size
the methods that can be used to randomly assign people in the experimental study into two groups.
1. Flip a coin for each person on the list. If the coin comes up heads, they will be put in the group that exercises before lunch. If the coin comes up tails, they will be put in the group that exercises after lunch
2.The names are put into a bowl and mixed around. The first 50 names drawn will be put in the group that exercises before lunch, and the others will exercise after lunch.
Therefore Option 1 and 3 are the two methods that can be adopted.
To know more about Random Sampling
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