Create a new code chunk to examine model diagnostics: $($Add text above the chunk

describing what is being done$)$

library$($olsrr$)$

# Plot residuals

ols$\_$plot$\_$resid$\_$fit$($regOutput$)$

# Create QQ$-$plot of model residuals

qqPlot$($residuals$($regOutput$))$

Are ALL the assumptions of the model satisfied? Explain