Assignment 3 Quiz S02. Jacqueline Cain This Question: pts Time Remaining: 00.105
ID: 3234720 • Letter: A
Question
Assignment 3 Quiz S02. Jacqueline Cain This Question: pts Time Remaining: 00.1053 submit Test 21 ot 30 (19 complete) Refer This Test. 120 pts possible and to the data below which contains the percentage change (x) in a stock market index over the fist five trading days of the year the coefficient change the index over the whole year. The linear regression line for the data is given below. and Find of determination. yi 12.0681 1.9204)xi (x) 1.3 0.2 0.2 2.9 14.8 9.5 19.6 21 -18 -15 55 1.4 14 16 44 05 20.2 3.6 27.8 22.6 2.2 11.8 26 4.3 20.5 -12 Type an integer or decimal rounded to one decimal place as needed.) terpret the coefficient of determination. Choose the correct answer below. A. The value of the coefficient of determination is a descriptive measure of the proportion, or percent, of values that are considered outliers. B. The value of the coefficient of determination is a descriptive measure of the proportion, or percent, of values that are not to select your answer(s).Explanation / Answer
a) Since the correlation in one of the question given as r = 0.370
Hence R2 = 0.370 * 0.370 = 0.1
Answer : D ; The value of coefficient of ditermination is the descriptive measures of the proportion or percent of the total variability.
b) Answer A : The sample correlation is the square root of the coefficient of determination.