THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below. 
-If all the points on a scatter diagram lie on a straight line,what is the standard error of estimate?
Definitions:
Standard Of Living
The level of wealth, comfort, material goods, and necessities available to a certain socioeconomic class or a certain geographic area.
Per Capita Income
The average income earned per person in a given area in a specified year, often used to gauge the economic prosperity of a population.
Tariff Barriers
Taxes imposed on imported goods to protect domestic industries from foreign competition and raise government revenue.
Exploiting
Taking unfair advantage of a person, group, or situation for one's own benefit, often ethically or legally questionable.
Q30: What is the mean of the Group
Q45: What is the value of the test
Q45: Calculate the p-value for this test.
Q65: Which of the following will tend to
Q79: State the null and alternative hypotheses.
Q115: What are the appropriate null and alternative
Q115: When computing the Durbin-Watson statistic,what value will
Q131: A null hypothesis is rejected at the
Q139: Find the relative efficiency of X with
Q158: Compute the probability of Type II error