Fit a line using linear regression to the following data set. then linearly interpolate. x = [ 0.13653 0.14551 0.28696 0.47473 0.48740 0.75441 0.88754 0.91808 0.94291 0.97388 ]; y = [ 0.29250 0.79586 0.78081 0.12643 0.14409 0.50125 0.40181 0.83697 0.34130 0.27120 ]; evaluate both at point x = 0.5. store the absolute value of difference of these two in a variable `lin_diff`.

1. web and mobile applications allow users to be actively engaged in an online activity. a true b false 2. some examples of business applications purposes are to collaborate, share files, meet virtually in real-time, and accept payments. a true b false 3. an education application would most likely do which of the following? a allow users to watch popular movies and tv shows b connect users with social and business contacts c confirm users' travel plans d teach users a new language 4. a uniform resource locator (url) is how the internet knows where to take users when an address is typed into a browser. a true b false 5. deon is required to provide the citation information for his sources. what type of information should he collect from his sources? a author name, title, date of publication, date of access, url b connections to background information c interesting facts and statistics d notes on important information