what is lm function in davis which is the correct measure to take to calculate the standard deviation for the observed weight? how to interpret regression what is the t in the lm what is the residual standard error in davis what is the lm formula in std what is the res value in a weighted regression weight vs repwt what is the p value for standard error in regression what is the normal standard error for log regressions what is standard error in davis's data what is the standard error of a regression? what is the difference between a standard deviation and a reliability interval? what is the p-value for lm what is the value of lm from data? lm(weight  repwt, data=davis) rs error what is the standard deviation of davis test what is the standard error value for lm what is lm (weight/repwt, data=davis) used for? what is the standard deviation for the weight