The managing partner of an advertising agency believes that his company's sales are related to the industry sales. He uses Microsoft Excel to analyze the last 4 years of quarterly data (i.e.,n= 16) with the following results:

Regression Statistics

Multiple R 0.802

R Square 0.643

Adjusted R Square 0.618

Standard Error SYX 0.9224

Observations 16

ANOVA

df SS MS F Sig.F

Regression 1 21.497 21.497 25.27 0.000

Error 14 11.912 0.851

Total 15 33.409

Predictor CoefStdErrort Stat p-value

Intercept 3.962 1.440 2.75 0.016

Industry 0.040451 0.008048 5.03 0.000

Durbin-Watson Statistic 1.59

Referring to Scenario 13-5, the coefficient of correlation is ________.