Research Question: Is there a relationship between unemployment rate and the num

Question

Research Question: Is there a relationship between unemployment rate and the number civil disturbances? A. H0: There is a significant relationship between unemployment rate and the number civil disturbances. Ha: There is not a significant relationship between unemployment rate and the number civil disturbances. B. H0: There is no significant relationship between unemployment rate and the number civil disturbances. Ha: There is a significant relationship between unemployment rate and the number civil disturbances. C. H0: There is no significant difference between unemployment rate and the number civil disturbances. Ha: There is no significant difference between unemployment rate and the number civil disturbances. D. H0: There is a significant difference between unemployment rate and the number civil disturbances. Ha: There is no significant difference between unemployment rate and the number civil disturbances. For the previous research question: Is a one or two sided hypothesis test required? A. One sided B. Two sided C. Either one sided or two sided D. Unable to determine

Explanation / Answer

B) H0: There is no significant relationship between unemployment rate and the number civil disturbances.

      Ha: There is a significant relationship between unemployment rate and the number civil disturbances.

Since null hypothesis is the stament about the population parameter, such hypothesis which is usually a hypothesis of no difference.

According to RA Fisher null hypothesis is the statement consider to be true for the sake of rejectin.

Alternative hypothesis is the opposite to null hypothesis.

The above problem is B) two sided.

If the alternative hypothesis is not equal type then the test is two sided. (i.e) The rejecting region is on both sides of the normal curve. If the Ha is greater than type then the test is one sided, right tail test. (i.e) the rejecting region on right tail only. If it is less than type then the test is left tail test.

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