[Select) is the measure of how close the experimental data is is the measure of to the theoretical true value and Select] how close the experimental data points are to each other. Density (p) of a substance is defined as mass (m) divided by volume (V). m p= V The mass and volume of an unknown pure metal block are measured in laboratory. Mass is 100 g, and volume is 11.2 cm2. What is this pure metal block made of? https://sites.google.com/site/chempendix/densities-of-pure-metals e O Copper O Zinc O Aluminum O Lead What is the most common statistical method of expressing the precision of a series of repetitive measurements? O Percent yield O Average O Standard deviation O Mean