Appex 08

STA 112 - Fall 2023

Part 1

1. Create a new project from this template in RStudio Pro:

https://github.com/sta-112-f23/appex-08.git

Change the to your id. To look up what your ID is go here and enter your email address: https://lucy.shinyapps.io/sta-112-f23-id-lookup/

Part 2

1. Open appex-08.qmd
2. Fit the model of battery_percent and screen_time in your data
3. Calculate a confidence interval for the estimate \(\hat\beta_1\)
4. Interpret this value

Part 3

1. Open appex-08.qmd
2. Examine the summary of the model of battery_percent and screen_time with your data
3. Test the null hypothesis that there is no relationship between screen time and battery percent
4. What is the p-value? What is the result of your hypothesis test?
5. Turn this in on Canvas