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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<span>Violations of safety statues are sometimes referred to as negligence per se.</span>
A. Earths atmosphere contains 78 percent oxygen, which is essential for life.
Answer: No options listed.
Explanation: Economic growth happens when there is an increase in the inflation-adjusted market value of various goods and services in a period of time. There is an increase in the number of items produced or services offered which increases the money in an economy. Some factors that lead to economic growth are land, capital or technological growth and advancement.
