Which of the tests should the graduate student use to determine if the results of the new method match the known value of iron in the reference sample with 95% confidence

What is the upper quartile in the box plot?

What dimensions can créate more than one triangle ?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?