Mathematics Homework Help

Math 142 Round–off Rules(1) When calculating a proportion, percent, orprobability, round–off your answer to have three significant figures.(2) If you are given a set of data values, round–offthe meanand standard deviationto one decimal place morethan the given data.(3) Round–off test statistics(Z, T, F, and chi–square)to three decimal places.(4) When using a given mean and standard deviation to calculate something, round–off your answerto have the same number of decimal placesas the given mean and standard deviation.