Q8. Scores of midterm tests from two sections of ECO 172 are the following:Section 1 - 50 60 70 80 90 Section 2 - 72 68 70 74 66a. Find the average score in the two sections 2b. Which section has scores closer to the mean score of the section?c. Find and interpret the standard deviation of scores for the two sections.d. Suppose, the faculty decides to inflate the grades of section 2 out of 500 by multiplying scores by a factor 5. Now find the new standard deviation. Can you compare it with the standard deviation of section1? Why or why not? What would be a more appropriate measure? Find that measure and compare variations in the two sections.#Please solve this problem properly.

Q7. Scores of midterm tests from two sections of ECO 172 are the following: Section 1 50 60 70 80 90 Section 2 72 68 70 74 66 a. Find the average score in the two sections 2