The null hypothesis makes a claim about population parameter. A null hypothesis is a statement about the value of a population parameter. So the correct answer is (a).
An example of a null hypothesis is one that asserts that no statistical significance can be found in a collection of provided observations. A hypothesis is tested using sample data to determine how plausible it is. It is represented as H0 and is occasionally referred to as simply the "null." To determine if a theory regarding markets, investment methods, or economies is correct or wrong, quantitative analysts employ the null hypothesis, often known as the conjecture. The alternate theory contends that there is a distinction.
Therefore correct answer is (a).
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Answer:
A(n) case study is an analysis of all pertinent aspects of one unit of study, such as an individual, an institution, a group, or a community.
Explanation:
A portion of territory within or surrounded by a larger territory whose inhabitants are culturally or ethnically distinct. <span />
C
What was one effect of the development of agriculture in South America?
A.
More people moved to the Grand Chaco.
B.
Groups began to settle in one place.
C.
People had less food to eat.
D.
People wore more animal skins and furs.
Jocelyn may have an Emotional Detachment Disorder. Jocelyn shows signs of being detached from the world and a lack of emotional response to people, places, and situations. She prefers to be home alone, does not have any friends, nor does she have any romantic relationship.
