"what statistical test is used to test the significance of the correlation coefficient"

The hypothesis test is the name of the test which used to test the significance of correlation coefficient.

Hypothesis testing is the process in which two sets of statistical data are compared against a formed or designed set of data from an ideal model. A hypothesis is considered as null hypothesis statement in which no relationship find between two variables.

While on the other side, a hypothesis is considered as alternative hypothesis statement in which there is some statistical importance between two measured phenomenon’s.  

which statement best describes why a government’s actions are important in macroeconomics? check all that apply.

1 government controls industry through policy.

2 government is both a consumer and a producer.

3 government can prevent changes and challenges.

4 government can use policy to influence the economy.

5 government can accurately predict economic trends.

1 , 2 & 4 for edgenu

according to this graph, how does supply behave in the long run?

a ]output remains constant.

b ]output increases.

c ]output cannot be predicted.

d ]output decreases.

the answer is a ]   for edgenu