A Researcher Has Developed a New Analytical Method to Determine

question 13

Essay

A researcher has developed a new analytical method to determine the percent by mass iron in solids.To test the new method,the researcher purchases a standard reference material sample that is 2.85% iron by mass.Analysis of the iron standard returns values of 2.75%,2.89%,2.77%,2.81%,and 2.87%.Are the results of the new method significantly different from the standard reference sample?