Answered step by step
Verified Expert Solution
Question
1 Approved Answer
,,., ,. ,.,,r,. ,7. gun-..v.. .. u. . QUEStlon 11 7 points Save Answer A UQ student is looking to develop a model to predict
,,., ,. ,.,,r,. ,7. gun-..v.. .. u. . QUEStlon 11 7 points Save Answer A UQ student is looking to develop a model to predict the cost of breakfast for students, as measured in AUD ($), based on the age of the students. The Excel data file Breakfastxlsx located in the LBRT #3 > LBRT #3 Data Files, contains these data for 100 students. Use Excel Data Analysis to estimate a linear model for the relationship, as well as a 84% confidence interval for the slope and a residual plot. State all numerical answers below correct to four decimal places using the Excel output results. 1. the intercept 2. the slope coefficient , and 3. the standard error of the estimate 4. Using this model, predict the cost of breakfast for a student that is 25 years old. Use all decimal places in your calculation by selecting and using the values of on and D1 in the output generated by Excel. 5. Does the prediction involve extrapolating the relationship? Type yes or no. From the output for 84% confidence interval for the slope coefficient report 6. the lower bound and 7. the upper bound L\" Click Submit to complete this assessment. Question 12 OH QUEStlon 12 2 points Save Answer An analyst at the Australian Energy Regulator is interested in determining the relationship between the energy generated by renewable energy, measured in megawatts. and regional electricity prices, measured in dollars. Using monthly data from 2019 and 2020, the following model was estimated: Y = -l .81 + 0.26 X Error sum of squares: 361 .0 Sum of squares of X: 985.5 Determine the upper limit for the 90% confidence interval for the slope correct to two decimal places. /i\\ Click Submit to complete this assessment. Question 12 OH
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started