Using Math to Analyze Data Answers

A tree farm sells trees based on height in increments of 10 feet. Which graph would best show the current stock of trees?

Precision can be defined as the

Jose’s lab instructor gives him a solution of sodium phosphate that is buffered to a pH of 4. Because of an error that he made while calibrating the pH meter, Jose’s measurements of the pH of the sodium phosphate solution are 5.4, 5.4, and 5.4. Which statement best describes his results?

A teacher uses a bow and arrow to demonstrate accuracy and precision. She shoots several arrows, aiming at the exact center of the target each time. The drawing below shows where her arrows hit the target.Which statement best describes her shots?

Which graph is used to show change in a given variable when a second variable is changed?

Which property of a measurement is best estimated from the percent error?

Which quantity is used to generate the error bars on a graph?

In an experiment, Theresa measured 15.05 mL of water. She must have used a

In an investigation on accuracy and precision, Myriah measures the mass of a 10.00 g piece of metal several times. Her measurements are 9.98 g, 10.02 g, 10.01 g, and 9.99 g. Which statement best describes her results?

How can one determine the median of a data set?