A real estate agent would like to know the average age of first-time home buyers. A sample of 100 first-time home buyers shows an average of 33 years old with a standard deviation of 3.8 years. Use the spreadsheet below to calculate a 95% confidence interval for the mean age of first-time home buyers.

AutoSave . Off) Ex CI Buyer (1) - Protected View Search Brandy Jackson Villarreal BJ X File Home Insert Draw Page Layout Formulas Data Review View Help Share Comments PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing X B2 X V fx A E F G H K M N O P Q sample size sample mean 4 sample stdev 5 6 SE 8 degrees of freedom 9 10 t-multiple 11 12 lower limit 13 upper limit 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 home buyer CI + Ready - - + 100% 1:40 PM Type here to search S X 11/20/2021