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dexar [7]
3 years ago
8

In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct _____

___ and ________. blind sampling; random group assignment blind group assignment; random sampling random sampling; random group assignment blind group assignment; blind sampling
Mathematics
1 answer:
ale4655 [162]3 years ago
4 0

In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct  random sampling and random group assignment

<u>Explanation:</u>

The terms Random sampling and Random group assignment are greatly different in process of the sample selection.  The study related to the determination of how sample participants can be drawn from the population refers to the process of Random sampling. The sample participants are subjected to a treatment by the usage of a random procedure comprises the Random group assignment.

When a researcher wants validate externally then random selection can be used. When a researcher wants to determine the effects of treatment within that group which is known as determination of internal validity then he can opt for Random group assignment.

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Answer:

16 = small

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4:11

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2 years ago
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Answer:

x=1

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3 years ago
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Jane , Andre and Maria picked 840 pounds of apples. Andre picked 3 times as many as Maria. Jane picks 2 times as many as Andre.
Galina-37 [17]
To answer the problem, let x be the number of apples Maria picked. By this representation, the number of apples Andre picked is 3x and that Jane picked 6x apples. The sum of all apples picked is 840. The equation that represent the situation is,
 
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Andre picked 3x apples. Thus, Andre picked 252 apples. 

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