Use the data for ATT to calculate the latest values of the: Bollinger Bandsand Stochastic Oscillator. (x-mean)^2 is 614.712. Hint: Bollinger Bands use 20 days of data, Stochastic Oscillator uses 14 days.

Date	Copmany XYZ
09/08/2017	331.5
12/08/2017	330
13/08/2017	332.3
14/08/2017	327.2
15/08/2017	326.6
16/08/2017	326.8
19/08/2017	323.2
20/08/2017	329.2
21/08/2017	328.4
22/08/2017	331.5
23/08/2017	333.3
26/08/2017	333.3
27/08/2017	327.2
28/08/2017	324
29/08/2017	331.8
30/08/2017	326.3
02/09/2017	339.2
03/09/2017	338.9
04/09/2017	341.4
05/09/2017	343.5

must show all work step by step