Create an Excel file containing the prices for Google stock for 07/01/2019 - 11/25/2019 (inclusively). Use Yahoo Finance or similar websites to obtain historical data. Ignore dividends.

Find the Durbin-Watson statistic. Do this with Excel but don't use Data Analysis or any additional Excel Toolpacks for this. At level of significance = 0.01, is there evidence of positive autocorrelation among the errors? Be careful with the formulation of your hypothesis here.