<u>Answer:
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The type of sampling used in the example is 'stratified sampling'.
<u>Explanation:
</u>
- The term 'stratified' used to name the method of sampling is referred to as 'fixed' or definite.
- If we keenly process the data that is given in the example, we can find that the number of students chosen for the study from each category makes up 10 percent of the entire category.
- As the researcher has chosen to carry out the study with a definite 10 percent of students from each category, the sampling method can be concluded to be 'stratified sampling'.
Answer:
Marxian
Explanation:
The theory that explains prejudice and discrimination as a means of keeping workers divided, thus easier to control by the capitalist class, is the Marxian theory.
Marxist explain the conflict and war between capitalist(who earn profit) and worker ( who take wages).
The fact that people who watch a lot of violent TV are also more likely to be aggressive does not in itself proof a cause-effect relationship. That is, there is no evidence that one situation is a cause and the other one is a consequence (causation). It only proves that both characteristics are present together (correlation).
This could be a case of “spurious correlation,” which implies that two characteristics are often present together because there is a third factor that influences both of them.
For example, if we assume that this case refers to minors, it could be that minors who watch a lot of violent TV are neglected by their parents. Additionally, it could be that children who behave aggressively are also neglected by their parents. If that were the case, then being neglected would be a more likely predictor of violent behaviour, as opposed to watching violent TV.
In order to make sure there is a cause-effect relationship, we would need to perform an experiment where all other factors are controlled.
The range consists exclusively of one or more isolated values. it can be described as "intervals."
<h3>What is intervals?</h3>
An interval is a range of numbers that includes all of the real numbers that exist between two given numbers.
Some key points related to intervals are-
- You may recognize, real numbers can be pretty much any number: 4.26, 17, √7, -0.257, π, etc.
- When the meteorologist predicted that there might be at least 3 inches of snow but no more than 8 inches, he characterized the snowfall amount in intervals!
- Inequalities, a numeric line, or interval notation can all be used to write intervals!
- There are special methods to indicate whether or not the given two numbers, recognized as endpoints, are within the interval.
- Math inequalities are represented by the symbols less than, less than or equal to, greater than, & greater than or equal to.
To know more about the intervals, here
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Answer:
All data are unknown with decision making under uncertainty.
Explanation:
There are various assumptions used by a LP allocation problem and they are; any return from an allocation is not dependent of other allocations; it is possible to compare returns from varying allocations; total returns equals the sum of all returns that all the activities yielded. The only option that is not an assumption used by a LP allocation problem is "All data are unknown with decision making under uncertainty."