Question

This Quesuon: 10 pis 2015 (0 compiley TUON VOIC E Question Help A survey of prices for external disk drives found the accompanying data, where 1 TB = 1000 gigabytes. Some research on the prices discovered that the 180 GB hard drive was a special hardened drive designed to resist physical shocks. Because it is completely different from the other drives, it was removed from the data. The correlation is now 0.995 and other summary statistics are shown in the accompanying popup window. Complete parts a and b. EClick the icon to view the original data. Click the icon to view the summary statistics for the data with the 180 GB hard drive removed. a) If a drive has a capacity of 3.01 TB (or 1 SD above the mean of 1.42 TB), how many standard deviations above or below the mean price of $164.81 do you expect the drive to cost? The expected cost is standard deviations (Type an integer or decimal rounded to two de the mean price. needed.) above below b) To what price does that correspond? i Original Data $ (Round to the nearest cent as needed.) 0 Summary Statistics Capacity (in TB) x 1.42 SD(x) = 1.5935 Price (in 5) y 164.81 SD(y) = 168.43 Capacity (in TB) 0.080 0.130 0.180 0.260 0.450 2.0 3.0 4.0 Price (in $) 22.95 34.55 295.00 42.55 67.79 227.49 298.79 459.55 Print Done Print Done MacBook Air

Answer 1

Price of 3.0156 = 298.79 then, let 164.81 +(219168.43) = 298.79 32-50.80 The expected cost is 20.00 ] Sids above I - the mean price.