Question

In a linear regression problem the following sums were computed from a random sample of size 10
∑X=320,∑Y=250,∑XY=9415,∑X^2=12400,∑Y^2=7230,n=10

Calculate the linear regression of Y on X
Calculate the correlation between X and Y
Using 5 percent level of significance, test the hypothesis that the population regression coefficient β is greater than 0.5.

Answer 1

Answer:

Management includes the activities of setting the strategy of an organization and coordinating the efforts of its employees (or of volunteers) to accomplish its objectives through the application of available resources, such as financial, natural, technological, and human resources.