A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results:
CoefficientsStandard Errort Statp valueIntercept-12.2016.560-1.8600.100Number of contacts2.1950.17612.5050.000
ANOVA dfSSMSFSignificance FRegression1.0013555.4213555.42156.380.00Residual8.00693.4886.68 Total9.0014248.90
X
