Please help with three questions.

The number of initial public offerings of stock issued in a 10-year period and the total proceeds of these offerings (in millions) are shown in the table. The equation of the regression line is y = 48.156x + 18,249.32. Complete parts a and b. Issues, x 420 472 689 478 483 399 69 61 193 156 Proceeds, 19,313 29,682 43,442 30,426 66,239 67,253 21,925 10,879 30,314 27,714 (a) Find the coefficient of determination and interpret the result. Round to three decimal places as needed.) How can the coefficient of determination be interpreted? O The coefficient of determination is the fraction of the variation in proceeds that is unexplained and is due to other factors or sampling error. The remaining fraction of the variation is explained by the variation in issues. The coefficient of determination is the fraction of the variation in proceeds that can be explained by the variation in issues. The remaining fraction of the variation is unexplained and is due to other factors or to sampling error. (b) Find the standard error of estimate s. and interpret the result. (Round to three decimal places as needed.) How can the standard error of estimate be interpreted? The standard error of estimate of the issues for a specific number of proceeds is about s. million dollars. The standard error of estimate of the proceeds for a specific number of issues is about s. million dollars. Next MacBook Air esc 30 868 @ X 2 O dele Q W E R U O P tab A S D F G H J K ps lock X V B N MThe table below shows the average weekly wages (in dollars) for state government employees and federal government employees for 10 years. Construct and interpret a 99% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $856. The equation of the regression line is y = 1.410x + 4.494. Wages (state), x 700 753 794 811 840 867 925 929 935 956 Wages (federal), y 1,018 1,045 1,096 1,153 1,188 1,253 1,282 1,308 1,338 1,365 Construct and interpret a 99% prediction interval for the average weekly wages of federal government employees when the average weekly wages of state government employees is $856. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to the nearest cent as needed.) O A. There is a 99% chance that the predicted average weekly wages of federal government employees is between $ and $ , given a state average weekly wage of $856. O B. We can be 99% confident that when the average weekly wages of state government employees is $856, the average weekly wages of federal government employees will be between $ and $. Next MacBook Air esc 30 888 X * W# A N 5 6 delete Y U O P Q W E R T tab . . A S D F G H J K caps lock Z X C V B N MThe number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation between the data? Use a = 0.05. Hours , x 0 1 2 4 4 5 5 6 7 8 2 Test score, y 38 44 50 57 62 69 72 85 84 91 Click here to view a table of critical values for Student's t-distribution. Setup the hypothesis for the test. Ho : p Vo Hai p Vo Identify the critical value(s). Select the correct choice below and fill in any answer boxes within your choice. (Round to three decimal places as needed.) O A. The critical value is O B. The critical values are - to = and to =]. Calculate the test statistic. t= (Round to three decimal places as needed.) What is your conclusion? There enough evidence at the 5% level of significance to conclude that there | |a significant linear correlation between hours spent studying and test score. Ne MacBook Air esc 20 888 F7 @ W 4 5 Q W E R T Y U O P tab 4 S D F G H K caps lock