For a linear regression modeling how the vocabulary size of a sixth grader is affected by the amount of television watched per day the residuals are defined as the difference between

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Which of the following equations is equivalent to x/3-6/x=1