Question: VS 4:02 Tin Week 7 (07 Mar - 11 Mar) (page X X C @ https://moodle2.maths.ed.ac.uk/live2018/mod/quiz/attempt.php?attempt=671608&cmid=5533&page=2 to ... Year 2) (2021-2022)[SEM2] / www.learn.ed_87267_1 / Weekly

VS 4:02 Tin Week 7 (07 Mar - 11 Mar) (page X X C @ https://moodle2.maths.ed.ac.uk/live2018/mod/quiz/attempt.php?attempt=671608&cmid=5533&page=2 to ... Year 2) (2021-2022)[SEM2] / www.learn.ed_87267_1 / Weekly Quizzes / Week 7 (07 Mar - 11 Mar) Question 4 HR are conducting an investigation into the salary (Y; in 1000s) of the company's employees with respect to their years of employment (;). Information has been obtained from a random sample of n = 20 employees and 6 Incomplete answer the The table below gives some useful summary statistics from the data: Marked out of 4.00 Flag question Statistic Value 5.5 38.21 156.25 Syy 1368.96 Sry 398.4375 From fitting a normal linear regression model, the HR manager gets the estimates of a = 24.185, B = 2.55 for the regression parameters, and the variance is estimated by s = 23.04. Calculate the 95.0% confidence interval for the slope parameter B. In your calculations, give your values to the following quantities: The standard error of the estimate, s. e. (B ) to 3 decimal places: 0.384 0.384 . The degree of freedom of the Student's t-distribution: . The lower bound of the 95.0% confidence interval to 2 decimal places: to 2 d.p. . The upper bound of the 95.0% confidence interval to 2 decimal places: to 2 d.p. Please answer all parts of the question. Previous page Next page Week 6 (28 Feb - 04 Mar) Jump to... You are logged in as Frank Xu (Log out) www.learn.ed 87267 1

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